Enum rama::combinators::Either8

pub enum Either8<A, B, C, D, E, F, G, H> {
    A(A),
    B(B),
    C(C),
    D(D),
    E(E),
    F(F),
    G(G),
    H(H),
}
Expand description

A type to allow you to use multiple types as a single type.

and will delegate the functionality to the type that is wrapped in the Either type. To keep it easy all wrapped types are expected to work with the same inputs and outputs.

You can use [crate::combinators::impl_either] to implement the Either type for the available number of type parameters on your own Trait implementations.

Variants§

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A(A)

one of the Either variants

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B(B)

one of the Either variants

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C(C)

one of the Either variants

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D(D)

one of the Either variants

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E(E)

one of the Either variants

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F(F)

one of the Either variants

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G(G)

one of the Either variants

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H(H)

one of the Either variants

Trait Implementations§

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impl<A, B, C, D, E, F, G, H> AsyncRead for Either8<A, B, C, D, E, F, G, H>
where A: AsyncRead, B: AsyncRead, C: AsyncRead, D: AsyncRead, E: AsyncRead, F: AsyncRead, G: AsyncRead, H: AsyncRead,

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fn poll_read( self: Pin<&mut Either8<A, B, C, D, E, F, G, H>>, cx: &mut Context<'_>, buf: &mut ReadBuf<'_>, ) -> Poll<Result<(), Error>>

Attempts to read from the AsyncRead into buf. Read more
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impl<A, B, C, D, E, F, G, H> AsyncWrite for Either8<A, B, C, D, E, F, G, H>
where A: AsyncWrite, B: AsyncWrite, C: AsyncWrite, D: AsyncWrite, E: AsyncWrite, F: AsyncWrite, G: AsyncWrite, H: AsyncWrite,

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fn poll_write( self: Pin<&mut Either8<A, B, C, D, E, F, G, H>>, cx: &mut Context<'_>, buf: &[u8], ) -> Poll<Result<usize, Error>>

Attempt to write bytes from buf into the object. Read more
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fn poll_flush( self: Pin<&mut Either8<A, B, C, D, E, F, G, H>>, cx: &mut Context<'_>, ) -> Poll<Result<(), Error>>

Attempts to flush the object, ensuring that any buffered data reach their destination. Read more
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fn poll_shutdown( self: Pin<&mut Either8<A, B, C, D, E, F, G, H>>, cx: &mut Context<'_>, ) -> Poll<Result<(), Error>>

Initiates or attempts to shut down this writer, returning success when the I/O connection has completely shut down. Read more
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fn poll_write_vectored( self: Pin<&mut Either8<A, B, C, D, E, F, G, H>>, cx: &mut Context<'_>, bufs: &[IoSlice<'_>], ) -> Poll<Result<usize, Error>>

Like poll_write, except that it writes from a slice of buffers. Read more
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fn is_write_vectored(&self) -> bool

Determines if this writer has an efficient poll_write_vectored implementation. Read more
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impl<A, B, C, D, E, F, G, H> Clone for Either8<A, B, C, D, E, F, G, H>
where A: Clone, B: Clone, C: Clone, D: Clone, E: Clone, F: Clone, G: Clone, H: Clone,

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fn clone(&self) -> Either8<A, B, C, D, E, F, G, H>

Returns a copy of the value. Read more
1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<A, B, C, D, E, F, G, H> Debug for Either8<A, B, C, D, E, F, G, H>
where A: Debug, B: Debug, C: Debug, D: Debug, E: Debug, F: Debug, G: Debug, H: Debug,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<A, B, C, D, E, F, G, H> Display for Either8<A, B, C, D, E, F, G, H>
where A: Display, B: Display, C: Display, D: Display, E: Display, F: Display, G: Display, H: Display,

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl<A, B, C, D, E, F, G, H> DnsResolver for Either8<A, B, C, D, E, F, G, H>
where A: DnsResolver, <A as DnsResolver>::Error: Into<Box<dyn Error + Sync + Send>>, B: DnsResolver, <B as DnsResolver>::Error: Into<Box<dyn Error + Sync + Send>>, C: DnsResolver, <C as DnsResolver>::Error: Into<Box<dyn Error + Sync + Send>>, D: DnsResolver, <D as DnsResolver>::Error: Into<Box<dyn Error + Sync + Send>>, E: DnsResolver, <E as DnsResolver>::Error: Into<Box<dyn Error + Sync + Send>>, F: DnsResolver, <F as DnsResolver>::Error: Into<Box<dyn Error + Sync + Send>>, G: DnsResolver, <G as DnsResolver>::Error: Into<Box<dyn Error + Sync + Send>>, H: DnsResolver, <H as DnsResolver>::Error: Into<Box<dyn Error + Sync + Send>>,

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type Error = Box<dyn Error + Sync + Send>

Error returned by the DnsResolver
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async fn ipv4_lookup( &self, domain: Domain, ) -> Result<Vec<Ipv4Addr>, <Either8<A, B, C, D, E, F, G, H> as DnsResolver>::Error>

Resolve the ‘A’ records accessible by this resolver for the given Domain into Ipv4Addresses.
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async fn ipv6_lookup( &self, domain: Domain, ) -> Result<Vec<Ipv6Addr>, <Either8<A, B, C, D, E, F, G, H> as DnsResolver>::Error>

Resolve the ‘AAAA’ records accessible by this resolver for the given Domain into Ipv6Addresses.
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impl<A, B, C, D, E, F, G, H, Output> Future for Either8<A, B, C, D, E, F, G, H>
where A: Future<Output = Output>, B: Future<Output = Output>, C: Future<Output = Output>, D: Future<Output = Output>, E: Future<Output = Output>, F: Future<Output = Output>, G: Future<Output = Output>, H: Future<Output = Output>,

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type Output = Output

The type of value produced on completion.
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fn poll( self: Pin<&mut Either8<A, B, C, D, E, F, G, H>>, cx: &mut Context<'_>, ) -> Poll<<Either8<A, B, C, D, E, F, G, H> as Future>::Output>

Attempts to resolve the future to a final value, registering the current task for wakeup if the value is not yet available. Read more
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impl<A, B, C, D, E, F, G, H, Item> Iterator for Either8<A, B, C, D, E, F, G, H>
where A: Iterator<Item = Item>, B: Iterator<Item = Item>, C: Iterator<Item = Item>, D: Iterator<Item = Item>, E: Iterator<Item = Item>, F: Iterator<Item = Item>, G: Iterator<Item = Item>, H: Iterator<Item = Item>,

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type Item = Item

The type of the elements being iterated over.
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fn next(&mut self) -> Option<Item>

Advances the iterator and returns the next value. Read more
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fn size_hint(&self) -> (usize, Option<usize>)

Returns the bounds on the remaining length of the iterator. Read more
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fn next_chunk<const N: usize>( &mut self, ) -> Result<[Self::Item; N], IntoIter<Self::Item, N>>
where Self: Sized,

🔬This is a nightly-only experimental API. (iter_next_chunk)
Advances the iterator and returns an array containing the next N values. Read more
1.0.0 · source§

fn count(self) -> usize
where Self: Sized,

Consumes the iterator, counting the number of iterations and returning it. Read more
1.0.0 · source§

fn last(self) -> Option<Self::Item>
where Self: Sized,

Consumes the iterator, returning the last element. Read more
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fn advance_by(&mut self, n: usize) -> Result<(), NonZero<usize>>

🔬This is a nightly-only experimental API. (iter_advance_by)
Advances the iterator by n elements. Read more
1.0.0 · source§

fn nth(&mut self, n: usize) -> Option<Self::Item>

Returns the nth element of the iterator. Read more
1.28.0 · source§

fn step_by(self, step: usize) -> StepBy<Self>
where Self: Sized,

Creates an iterator starting at the same point, but stepping by the given amount at each iteration. Read more
1.0.0 · source§

fn chain<U>(self, other: U) -> Chain<Self, <U as IntoIterator>::IntoIter>
where Self: Sized, U: IntoIterator<Item = Self::Item>,

Takes two iterators and creates a new iterator over both in sequence. Read more
1.0.0 · source§

fn zip<U>(self, other: U) -> Zip<Self, <U as IntoIterator>::IntoIter>
where Self: Sized, U: IntoIterator,

‘Zips up’ two iterators into a single iterator of pairs. Read more
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fn intersperse_with<G>(self, separator: G) -> IntersperseWith<Self, G>
where Self: Sized, G: FnMut() -> Self::Item,

🔬This is a nightly-only experimental API. (iter_intersperse)
Creates a new iterator which places an item generated by separator between adjacent items of the original iterator. Read more
1.0.0 · source§

fn map<B, F>(self, f: F) -> Map<Self, F>
where Self: Sized, F: FnMut(Self::Item) -> B,

Takes a closure and creates an iterator which calls that closure on each element. Read more
1.21.0 · source§

fn for_each<F>(self, f: F)
where Self: Sized, F: FnMut(Self::Item),

Calls a closure on each element of an iterator. Read more
1.0.0 · source§

fn filter<P>(self, predicate: P) -> Filter<Self, P>
where Self: Sized, P: FnMut(&Self::Item) -> bool,

Creates an iterator which uses a closure to determine if an element should be yielded. Read more
1.0.0 · source§

fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F>
where Self: Sized, F: FnMut(Self::Item) -> Option<B>,

Creates an iterator that both filters and maps. Read more
1.0.0 · source§

fn enumerate(self) -> Enumerate<Self>
where Self: Sized,

Creates an iterator which gives the current iteration count as well as the next value. Read more
1.0.0 · source§

fn peekable(self) -> Peekable<Self>
where Self: Sized,

Creates an iterator which can use the peek and peek_mut methods to look at the next element of the iterator without consuming it. See their documentation for more information. Read more
1.0.0 · source§

fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P>
where Self: Sized, P: FnMut(&Self::Item) -> bool,

Creates an iterator that skips elements based on a predicate. Read more
1.0.0 · source§

fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P>
where Self: Sized, P: FnMut(&Self::Item) -> bool,

Creates an iterator that yields elements based on a predicate. Read more
1.57.0 · source§

fn map_while<B, P>(self, predicate: P) -> MapWhile<Self, P>
where Self: Sized, P: FnMut(Self::Item) -> Option<B>,

Creates an iterator that both yields elements based on a predicate and maps. Read more
1.0.0 · source§

fn skip(self, n: usize) -> Skip<Self>
where Self: Sized,

Creates an iterator that skips the first n elements. Read more
1.0.0 · source§

fn take(self, n: usize) -> Take<Self>
where Self: Sized,

Creates an iterator that yields the first n elements, or fewer if the underlying iterator ends sooner. Read more
1.0.0 · source§

fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F>
where Self: Sized, F: FnMut(&mut St, Self::Item) -> Option<B>,

An iterator adapter which, like fold, holds internal state, but unlike fold, produces a new iterator. Read more
1.0.0 · source§

fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>
where Self: Sized, U: IntoIterator, F: FnMut(Self::Item) -> U,

Creates an iterator that works like map, but flattens nested structure. Read more
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fn map_windows<F, R, const N: usize>(self, f: F) -> MapWindows<Self, F, N>
where Self: Sized, F: FnMut(&[Self::Item; N]) -> R,

🔬This is a nightly-only experimental API. (iter_map_windows)
Calls the given function f for each contiguous window of size N over self and returns an iterator over the outputs of f. Like slice::windows(), the windows during mapping overlap as well. Read more
1.0.0 · source§

fn fuse(self) -> Fuse<Self>
where Self: Sized,

Creates an iterator which ends after the first None. Read more
1.0.0 · source§

fn inspect<F>(self, f: F) -> Inspect<Self, F>
where Self: Sized, F: FnMut(&Self::Item),

Does something with each element of an iterator, passing the value on. Read more
1.0.0 · source§

fn by_ref(&mut self) -> &mut Self
where Self: Sized,

Borrows an iterator, rather than consuming it. Read more
1.0.0 · source§

fn collect<B>(self) -> B
where B: FromIterator<Self::Item>, Self: Sized,

Transforms an iterator into a collection. Read more
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fn collect_into<E>(self, collection: &mut E) -> &mut E
where E: Extend<Self::Item>, Self: Sized,

🔬This is a nightly-only experimental API. (iter_collect_into)
Collects all the items from an iterator into a collection. Read more
1.0.0 · source§

fn partition<B, F>(self, f: F) -> (B, B)
where Self: Sized, B: Default + Extend<Self::Item>, F: FnMut(&Self::Item) -> bool,

Consumes an iterator, creating two collections from it. Read more
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fn is_partitioned<P>(self, predicate: P) -> bool
where Self: Sized, P: FnMut(Self::Item) -> bool,

🔬This is a nightly-only experimental API. (iter_is_partitioned)
Checks if the elements of this iterator are partitioned according to the given predicate, such that all those that return true precede all those that return false. Read more
1.27.0 · source§

fn try_fold<B, F, R>(&mut self, init: B, f: F) -> R
where Self: Sized, F: FnMut(B, Self::Item) -> R, R: Try<Output = B>,

An iterator method that applies a function as long as it returns successfully, producing a single, final value. Read more
1.27.0 · source§

fn try_for_each<F, R>(&mut self, f: F) -> R
where Self: Sized, F: FnMut(Self::Item) -> R, R: Try<Output = ()>,

An iterator method that applies a fallible function to each item in the iterator, stopping at the first error and returning that error. Read more
1.0.0 · source§

fn fold<B, F>(self, init: B, f: F) -> B
where Self: Sized, F: FnMut(B, Self::Item) -> B,

Folds every element into an accumulator by applying an operation, returning the final result. Read more
1.51.0 · source§

fn reduce<F>(self, f: F) -> Option<Self::Item>
where Self: Sized, F: FnMut(Self::Item, Self::Item) -> Self::Item,

Reduces the elements to a single one, by repeatedly applying a reducing operation. Read more
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fn try_reduce<R>( &mut self, f: impl FnMut(Self::Item, Self::Item) -> R, ) -> <<R as Try>::Residual as Residual<Option<<R as Try>::Output>>>::TryType
where Self: Sized, R: Try<Output = Self::Item>, <R as Try>::Residual: Residual<Option<Self::Item>>,

🔬This is a nightly-only experimental API. (iterator_try_reduce)
Reduces the elements to a single one by repeatedly applying a reducing operation. If the closure returns a failure, the failure is propagated back to the caller immediately. Read more
1.0.0 · source§

fn all<F>(&mut self, f: F) -> bool
where Self: Sized, F: FnMut(Self::Item) -> bool,

Tests if every element of the iterator matches a predicate. Read more
1.0.0 · source§

fn any<F>(&mut self, f: F) -> bool
where Self: Sized, F: FnMut(Self::Item) -> bool,

Tests if any element of the iterator matches a predicate. Read more
1.0.0 · source§

fn find<P>(&mut self, predicate: P) -> Option<Self::Item>
where Self: Sized, P: FnMut(&Self::Item) -> bool,

Searches for an element of an iterator that satisfies a predicate. Read more
1.30.0 · source§

fn find_map<B, F>(&mut self, f: F) -> Option<B>
where Self: Sized, F: FnMut(Self::Item) -> Option<B>,

Applies function to the elements of iterator and returns the first non-none result. Read more
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fn try_find<R>( &mut self, f: impl FnMut(&Self::Item) -> R, ) -> <<R as Try>::Residual as Residual<Option<Self::Item>>>::TryType
where Self: Sized, R: Try<Output = bool>, <R as Try>::Residual: Residual<Option<Self::Item>>,

🔬This is a nightly-only experimental API. (try_find)
Applies function to the elements of iterator and returns the first true result or the first error. Read more
1.0.0 · source§

fn position<P>(&mut self, predicate: P) -> Option<usize>
where Self: Sized, P: FnMut(Self::Item) -> bool,

Searches for an element in an iterator, returning its index. Read more
1.6.0 · source§

fn max_by_key<B, F>(self, f: F) -> Option<Self::Item>
where B: Ord, Self: Sized, F: FnMut(&Self::Item) -> B,

Returns the element that gives the maximum value from the specified function. Read more
1.15.0 · source§

fn max_by<F>(self, compare: F) -> Option<Self::Item>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Returns the element that gives the maximum value with respect to the specified comparison function. Read more
1.6.0 · source§

fn min_by_key<B, F>(self, f: F) -> Option<Self::Item>
where B: Ord, Self: Sized, F: FnMut(&Self::Item) -> B,

Returns the element that gives the minimum value from the specified function. Read more
1.15.0 · source§

fn min_by<F>(self, compare: F) -> Option<Self::Item>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Returns the element that gives the minimum value with respect to the specified comparison function. Read more
1.0.0 · source§

fn unzip<A, B, FromA, FromB>(self) -> (FromA, FromB)
where FromA: Default + Extend<A>, FromB: Default + Extend<B>, Self: Sized + Iterator<Item = (A, B)>,

Converts an iterator of pairs into a pair of containers. Read more
1.36.0 · source§

fn copied<'a, T>(self) -> Copied<Self>
where T: 'a + Copy, Self: Sized + Iterator<Item = &'a T>,

Creates an iterator which copies all of its elements. Read more
1.0.0 · source§

fn cloned<'a, T>(self) -> Cloned<Self>
where T: 'a + Clone, Self: Sized + Iterator<Item = &'a T>,

Creates an iterator which clones all of its elements. Read more
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fn array_chunks<const N: usize>(self) -> ArrayChunks<Self, N>
where Self: Sized,

🔬This is a nightly-only experimental API. (iter_array_chunks)
Returns an iterator over N elements of the iterator at a time. Read more
1.11.0 · source§

fn sum<S>(self) -> S
where Self: Sized, S: Sum<Self::Item>,

Sums the elements of an iterator. Read more
1.11.0 · source§

fn product<P>(self) -> P
where Self: Sized, P: Product<Self::Item>,

Iterates over the entire iterator, multiplying all the elements Read more
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fn cmp_by<I, F>(self, other: I, cmp: F) -> Ordering
where Self: Sized, I: IntoIterator, F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Ordering,

🔬This is a nightly-only experimental API. (iter_order_by)
Lexicographically compares the elements of this Iterator with those of another with respect to the specified comparison function. Read more
1.5.0 · source§

fn partial_cmp<I>(self, other: I) -> Option<Ordering>
where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>, Self: Sized,

Lexicographically compares the PartialOrd elements of this Iterator with those of another. The comparison works like short-circuit evaluation, returning a result without comparing the remaining elements. As soon as an order can be determined, the evaluation stops and a result is returned. Read more
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fn partial_cmp_by<I, F>(self, other: I, partial_cmp: F) -> Option<Ordering>
where Self: Sized, I: IntoIterator, F: FnMut(Self::Item, <I as IntoIterator>::Item) -> Option<Ordering>,

🔬This is a nightly-only experimental API. (iter_order_by)
Lexicographically compares the elements of this Iterator with those of another with respect to the specified comparison function. Read more
1.5.0 · source§

fn eq<I>(self, other: I) -> bool
where I: IntoIterator, Self::Item: PartialEq<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are equal to those of another. Read more
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fn eq_by<I, F>(self, other: I, eq: F) -> bool
where Self: Sized, I: IntoIterator, F: FnMut(Self::Item, <I as IntoIterator>::Item) -> bool,

🔬This is a nightly-only experimental API. (iter_order_by)
Determines if the elements of this Iterator are equal to those of another with respect to the specified equality function. Read more
1.5.0 · source§

fn ne<I>(self, other: I) -> bool
where I: IntoIterator, Self::Item: PartialEq<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are not equal to those of another. Read more
1.5.0 · source§

fn lt<I>(self, other: I) -> bool
where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are lexicographically less than those of another. Read more
1.5.0 · source§

fn le<I>(self, other: I) -> bool
where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are lexicographically less or equal to those of another. Read more
1.5.0 · source§

fn gt<I>(self, other: I) -> bool
where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are lexicographically greater than those of another. Read more
1.5.0 · source§

fn ge<I>(self, other: I) -> bool
where I: IntoIterator, Self::Item: PartialOrd<<I as IntoIterator>::Item>, Self: Sized,

Determines if the elements of this Iterator are lexicographically greater than or equal to those of another. Read more
1.82.0 · source§

fn is_sorted_by<F>(self, compare: F) -> bool
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> bool,

Checks if the elements of this iterator are sorted using the given comparator function. Read more
1.82.0 · source§

fn is_sorted_by_key<F, K>(self, f: F) -> bool
where Self: Sized, F: FnMut(Self::Item) -> K, K: PartialOrd,

Checks if the elements of this iterator are sorted using the given key extraction function. Read more
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impl<A, B, C, D, E, F, G, H, S> Layer<S> for Either8<A, B, C, D, E, F, G, H>
where A: Layer<S>, B: Layer<S>, C: Layer<S>, D: Layer<S>, E: Layer<S>, F: Layer<S>, G: Layer<S>, H: Layer<S>,

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type Service = Either8<<A as Layer<S>>::Service, <B as Layer<S>>::Service, <C as Layer<S>>::Service, <D as Layer<S>>::Service, <E as Layer<S>>::Service, <F as Layer<S>>::Service, <G as Layer<S>>::Service, <H as Layer<S>>::Service>

The service produced by the layer.
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fn layer( &self, inner: S, ) -> <Either8<A, B, C, D, E, F, G, H> as Layer<S>>::Service

Wrap the given service with the middleware, returning a new service.
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impl<A, B, C, D, E, F, G, H, State, Request> Matcher<State, Request> for Either8<A, B, C, D, E, F, G, H>
where A: Matcher<State, Request>, B: Matcher<State, Request>, C: Matcher<State, Request>, D: Matcher<State, Request>, E: Matcher<State, Request>, F: Matcher<State, Request>, G: Matcher<State, Request>, H: Matcher<State, Request>, Request: Send + 'static, State: Clone + Send + Sync + 'static,

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fn matches( &self, ext: Option<&mut Extensions>, ctx: &Context<State>, req: &Request, ) -> bool

returns true on a match, false otherwise Read more
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fn or<M>(self, other: M) -> impl Matcher<State, Request>
where Self: Sized, M: Matcher<State, Request>,

Provide an alternative matcher to match if the current one does not match.
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fn and<M>(self, other: M) -> impl Matcher<State, Request>
where Self: Sized, M: Matcher<State, Request>,

Add another condition to match on top of the current one.
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fn not(self) -> impl Matcher<State, Request>
where Self: Sized,

Negate the current condition.
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impl<A, B, C, D, E, F, G, H, State, Request> Policy<State, Request> for Either8<A, B, C, D, E, F, G, H>
where A: Policy<State, Request>, <A as Policy<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, B: Policy<State, Request>, <B as Policy<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, C: Policy<State, Request>, <C as Policy<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, D: Policy<State, Request>, <D as Policy<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, E: Policy<State, Request>, <E as Policy<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, F: Policy<State, Request>, <F as Policy<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, G: Policy<State, Request>, <G as Policy<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, H: Policy<State, Request>, <H as Policy<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, Request: Send + 'static, State: Clone + Send + Sync + 'static,

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type Guard = Either8<<A as Policy<State, Request>>::Guard, <B as Policy<State, Request>>::Guard, <C as Policy<State, Request>>::Guard, <D as Policy<State, Request>>::Guard, <E as Policy<State, Request>>::Guard, <F as Policy<State, Request>>::Guard, <G as Policy<State, Request>>::Guard, <H as Policy<State, Request>>::Guard>

The guard type that is returned when the request is allowed to proceed. Read more
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type Error = Box<dyn Error + Sync + Send>

The error type that is returned when the request is not allowed to proceed, and should be aborted. Read more
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async fn check( &self, ctx: Context<State>, req: Request, ) -> PolicyResult<State, Request, <Either8<A, B, C, D, E, F, G, H> as Policy<State, Request>>::Guard, <Either8<A, B, C, D, E, F, G, H> as Policy<State, Request>>::Error>

Check whether the request is allowed to proceed. Read more
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impl<A, B, C, D, E, F, G, H, State, Response, Error> Policy<State, Response, Error> for Either8<A, B, C, D, E, F, G, H>
where A: Policy<State, Response, Error>, B: Policy<State, Response, Error>, C: Policy<State, Response, Error>, D: Policy<State, Response, Error>, E: Policy<State, Response, Error>, F: Policy<State, Response, Error>, G: Policy<State, Response, Error>, H: Policy<State, Response, Error>, State: Clone + Send + Sync + 'static, Response: Send + 'static, Error: Send + Sync + 'static,

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async fn retry( &self, ctx: Context<State>, req: Request<RetryBody>, result: Result<Response, Error>, ) -> PolicyResult<State, Response, Error>

Check the policy if a certain request should be retried. Read more
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fn clone_input( &self, ctx: &Context<State>, req: &Request<RetryBody>, ) -> Option<(Context<State>, Request<RetryBody>)>

Tries to clone a request before being passed to the inner service. Read more
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impl<A, B, C, D, E, F, G, H> ProxyDB for Either8<A, B, C, D, E, F, G, H>
where A: ProxyDB, <A as ProxyDB>::Error: Into<Box<dyn Error + Sync + Send>>, B: ProxyDB, <B as ProxyDB>::Error: Into<Box<dyn Error + Sync + Send>>, C: ProxyDB, <C as ProxyDB>::Error: Into<Box<dyn Error + Sync + Send>>, D: ProxyDB, <D as ProxyDB>::Error: Into<Box<dyn Error + Sync + Send>>, E: ProxyDB, <E as ProxyDB>::Error: Into<Box<dyn Error + Sync + Send>>, F: ProxyDB, <F as ProxyDB>::Error: Into<Box<dyn Error + Sync + Send>>, G: ProxyDB, <G as ProxyDB>::Error: Into<Box<dyn Error + Sync + Send>>, H: ProxyDB, <H as ProxyDB>::Error: Into<Box<dyn Error + Sync + Send>>,

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type Error = Box<dyn Error + Sync + Send>

The error type that can be returned by the proxy database Read more
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async fn get_proxy_if( &self, ctx: TransportContext, filter: ProxyFilter, predicate: impl ProxyQueryPredicate, ) -> Result<Proxy, <Either8<A, B, C, D, E, F, G, H> as ProxyDB>::Error>

Same as Self::get_proxy but with a predicate to filter out found proxies that do not match the given predicate.
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async fn get_proxy( &self, ctx: TransportContext, filter: ProxyFilter, ) -> Result<Proxy, <Either8<A, B, C, D, E, F, G, H> as ProxyDB>::Error>

Get a Proxy based on the given TransportContext and ProxyFilter, or return an error in case no Proxy could be returned.
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impl<A, B, C, D, E, F, G, H, State, Request, Response> Service<State, Request> for Either8<A, B, C, D, E, F, G, H>
where A: Service<State, Request, Response = Response>, <A as Service<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, B: Service<State, Request, Response = Response>, <B as Service<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, C: Service<State, Request, Response = Response>, <C as Service<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, D: Service<State, Request, Response = Response>, <D as Service<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, E: Service<State, Request, Response = Response>, <E as Service<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, F: Service<State, Request, Response = Response>, <F as Service<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, G: Service<State, Request, Response = Response>, <G as Service<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, H: Service<State, Request, Response = Response>, <H as Service<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>, Request: Send + 'static, State: Clone + Send + Sync + 'static, Response: Send + 'static,

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type Response = Response

The type of response returned by the service.
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type Error = Box<dyn Error + Sync + Send>

The type of error returned by the service.
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async fn serve( &self, ctx: Context<State>, req: Request, ) -> Result<<Either8<A, B, C, D, E, F, G, H> as Service<State, Request>>::Response, <Either8<A, B, C, D, E, F, G, H> as Service<State, Request>>::Error>

Serve a response or error for the given request, using the given context.
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fn boxed(self) -> BoxService<S, Request, Self::Response, Self::Error>

Box this service to allow for dynamic dispatch.
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impl<A, B, C, D, E, F, G, H> TcpStreamConnector for Either8<A, B, C, D, E, F, G, H>

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type Error = Box<dyn Error + Sync + Send>

Type of error that can occurr when establishing the connection failed.
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async fn connect( &self, addr: SocketAddr, ) -> Result<TcpStream, <Either8<A, B, C, D, E, F, G, H> as TcpStreamConnector>::Error>

Connect to the target via the given SocketAddress to establish a [TcpStream].
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impl<State, A, B, C, D, E, F, G, H> TcpStreamConnectorFactory<State> for Either8<A, B, C, D, E, F, G, H>
where State: Send + Sync + 'static, A: TcpStreamConnectorFactory<State>, <A as TcpStreamConnectorFactory<State>>::Connector: TcpStreamConnector, <<A as TcpStreamConnectorFactory<State>>::Connector as TcpStreamConnector>::Error: Into<Box<dyn Error + Sync + Send>>, <A as TcpStreamConnectorFactory<State>>::Error: Into<Box<dyn Error + Sync + Send>>, B: TcpStreamConnectorFactory<State>, <B as TcpStreamConnectorFactory<State>>::Connector: TcpStreamConnector, <<B as TcpStreamConnectorFactory<State>>::Connector as TcpStreamConnector>::Error: Into<Box<dyn Error + Sync + Send>>, <B as TcpStreamConnectorFactory<State>>::Error: Into<Box<dyn Error + Sync + Send>>, C: TcpStreamConnectorFactory<State>, <C as TcpStreamConnectorFactory<State>>::Connector: TcpStreamConnector, <<C as TcpStreamConnectorFactory<State>>::Connector as TcpStreamConnector>::Error: Into<Box<dyn Error + Sync + Send>>, <C as TcpStreamConnectorFactory<State>>::Error: Into<Box<dyn Error + Sync + Send>>, D: TcpStreamConnectorFactory<State>, <D as TcpStreamConnectorFactory<State>>::Connector: TcpStreamConnector, <<D as TcpStreamConnectorFactory<State>>::Connector as TcpStreamConnector>::Error: Into<Box<dyn Error + Sync + Send>>, <D as TcpStreamConnectorFactory<State>>::Error: Into<Box<dyn Error + Sync + Send>>, E: TcpStreamConnectorFactory<State>, <E as TcpStreamConnectorFactory<State>>::Connector: TcpStreamConnector, <<E as TcpStreamConnectorFactory<State>>::Connector as TcpStreamConnector>::Error: Into<Box<dyn Error + Sync + Send>>, <E as TcpStreamConnectorFactory<State>>::Error: Into<Box<dyn Error + Sync + Send>>, F: TcpStreamConnectorFactory<State>, <F as TcpStreamConnectorFactory<State>>::Connector: TcpStreamConnector, <<F as TcpStreamConnectorFactory<State>>::Connector as TcpStreamConnector>::Error: Into<Box<dyn Error + Sync + Send>>, <F as TcpStreamConnectorFactory<State>>::Error: Into<Box<dyn Error + Sync + Send>>, G: TcpStreamConnectorFactory<State>, <G as TcpStreamConnectorFactory<State>>::Connector: TcpStreamConnector, <<G as TcpStreamConnectorFactory<State>>::Connector as TcpStreamConnector>::Error: Into<Box<dyn Error + Sync + Send>>, <G as TcpStreamConnectorFactory<State>>::Error: Into<Box<dyn Error + Sync + Send>>, H: TcpStreamConnectorFactory<State>, <H as TcpStreamConnectorFactory<State>>::Connector: TcpStreamConnector, <<H as TcpStreamConnectorFactory<State>>::Connector as TcpStreamConnector>::Error: Into<Box<dyn Error + Sync + Send>>, <H as TcpStreamConnectorFactory<State>>::Error: Into<Box<dyn Error + Sync + Send>>,

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type Connector = Either8<<A as TcpStreamConnectorFactory<State>>::Connector, <B as TcpStreamConnectorFactory<State>>::Connector, <C as TcpStreamConnectorFactory<State>>::Connector, <D as TcpStreamConnectorFactory<State>>::Connector, <E as TcpStreamConnectorFactory<State>>::Connector, <F as TcpStreamConnectorFactory<State>>::Connector, <G as TcpStreamConnectorFactory<State>>::Connector, <H as TcpStreamConnectorFactory<State>>::Connector>

TcpStreamConnector created by this TcpStreamConnectorFactory
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type Error = Box<dyn Error + Sync + Send>

Error returned in case TcpStreamConnectorFactory was not able to create a TcpStreamConnector.
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async fn make_connector( &self, ctx: Context<State>, ) -> Result<CreatedTcpStreamConnector<State, <Either8<A, B, C, D, E, F, G, H> as TcpStreamConnectorFactory<State>>::Connector>, <Either8<A, B, C, D, E, F, G, H> as TcpStreamConnectorFactory<State>>::Error>

Try to create a TcpStreamConnector, and return an error or otherwise.
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impl<const SEPARATOR: char, A, B, C, D, E, F, G, H> UsernameLabelWriter<SEPARATOR> for Either8<A, B, C, D, E, F, G, H>
where A: UsernameLabelWriter<SEPARATOR>, B: UsernameLabelWriter<SEPARATOR>, C: UsernameLabelWriter<SEPARATOR>, D: UsernameLabelWriter<SEPARATOR>, E: UsernameLabelWriter<SEPARATOR>, F: UsernameLabelWriter<SEPARATOR>, G: UsernameLabelWriter<SEPARATOR>, H: UsernameLabelWriter<SEPARATOR>,

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fn write_labels( &self, composer: &mut Composer<SEPARATOR>, ) -> Result<(), ComposeError>

Write all labels into the given Composer.

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impl<A, B, C, D, E, F, G, H> Freeze for Either8<A, B, C, D, E, F, G, H>
where A: Freeze, B: Freeze, C: Freeze, D: Freeze, E: Freeze, F: Freeze, G: Freeze, H: Freeze,

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impl<A, B, C, D, E, F, G, H> RefUnwindSafe for Either8<A, B, C, D, E, F, G, H>

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impl<A, B, C, D, E, F, G, H> Send for Either8<A, B, C, D, E, F, G, H>
where A: Send, B: Send, C: Send, D: Send, E: Send, F: Send, G: Send, H: Send,

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impl<A, B, C, D, E, F, G, H> Sync for Either8<A, B, C, D, E, F, G, H>
where A: Sync, B: Sync, C: Sync, D: Sync, E: Sync, F: Sync, G: Sync, H: Sync,

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impl<A, B, C, D, E, F, G, H> Unpin for Either8<A, B, C, D, E, F, G, H>
where A: Unpin, B: Unpin, C: Unpin, D: Unpin, E: Unpin, F: Unpin, G: Unpin, H: Unpin,

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impl<A, B, C, D, E, F, G, H> UnwindSafe for Either8<A, B, C, D, E, F, G, H>

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impl<T> Any for T
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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<R> AsyncReadExt for R
where R: AsyncRead + ?Sized,

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fn chain<R>(self, next: R) -> Chain<Self, R>
where Self: Sized, R: AsyncRead,

Creates a new AsyncRead instance that chains this stream with next. Read more
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fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>
where Self: Unpin,

Pulls some bytes from this source into the specified buffer, returning how many bytes were read. Read more
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fn read_buf<'a, B>(&'a mut self, buf: &'a mut B) -> ReadBuf<'a, Self, B>
where Self: Unpin, B: BufMut + ?Sized,

Pulls some bytes from this source into the specified buffer, advancing the buffer’s internal cursor. Read more
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fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self>
where Self: Unpin,

Reads the exact number of bytes required to fill buf. Read more
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fn read_u8(&mut self) -> ReadU8<&mut Self>
where Self: Unpin,

Reads an unsigned 8 bit integer from the underlying reader. Read more
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fn read_i8(&mut self) -> ReadI8<&mut Self>
where Self: Unpin,

Reads a signed 8 bit integer from the underlying reader. Read more
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fn read_u16(&mut self) -> ReadU16<&mut Self>
where Self: Unpin,

Reads an unsigned 16-bit integer in big-endian order from the underlying reader. Read more
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fn read_i16(&mut self) -> ReadI16<&mut Self>
where Self: Unpin,

Reads a signed 16-bit integer in big-endian order from the underlying reader. Read more
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fn read_u32(&mut self) -> ReadU32<&mut Self>
where Self: Unpin,

Reads an unsigned 32-bit integer in big-endian order from the underlying reader. Read more
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fn read_i32(&mut self) -> ReadI32<&mut Self>
where Self: Unpin,

Reads a signed 32-bit integer in big-endian order from the underlying reader. Read more
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fn read_u64(&mut self) -> ReadU64<&mut Self>
where Self: Unpin,

Reads an unsigned 64-bit integer in big-endian order from the underlying reader. Read more
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fn read_i64(&mut self) -> ReadI64<&mut Self>
where Self: Unpin,

Reads an signed 64-bit integer in big-endian order from the underlying reader. Read more
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fn read_u128(&mut self) -> ReadU128<&mut Self>
where Self: Unpin,

Reads an unsigned 128-bit integer in big-endian order from the underlying reader. Read more
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fn read_i128(&mut self) -> ReadI128<&mut Self>
where Self: Unpin,

Reads an signed 128-bit integer in big-endian order from the underlying reader. Read more
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fn read_f32(&mut self) -> ReadF32<&mut Self>
where Self: Unpin,

Reads an 32-bit floating point type in big-endian order from the underlying reader. Read more
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fn read_f64(&mut self) -> ReadF64<&mut Self>
where Self: Unpin,

Reads an 64-bit floating point type in big-endian order from the underlying reader. Read more
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fn read_u16_le(&mut self) -> ReadU16Le<&mut Self>
where Self: Unpin,

Reads an unsigned 16-bit integer in little-endian order from the underlying reader. Read more
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fn read_i16_le(&mut self) -> ReadI16Le<&mut Self>
where Self: Unpin,

Reads a signed 16-bit integer in little-endian order from the underlying reader. Read more
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fn read_u32_le(&mut self) -> ReadU32Le<&mut Self>
where Self: Unpin,

Reads an unsigned 32-bit integer in little-endian order from the underlying reader. Read more
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fn read_i32_le(&mut self) -> ReadI32Le<&mut Self>
where Self: Unpin,

Reads a signed 32-bit integer in little-endian order from the underlying reader. Read more
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fn read_u64_le(&mut self) -> ReadU64Le<&mut Self>
where Self: Unpin,

Reads an unsigned 64-bit integer in little-endian order from the underlying reader. Read more
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fn read_i64_le(&mut self) -> ReadI64Le<&mut Self>
where Self: Unpin,

Reads an signed 64-bit integer in little-endian order from the underlying reader. Read more
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fn read_u128_le(&mut self) -> ReadU128Le<&mut Self>
where Self: Unpin,

Reads an unsigned 128-bit integer in little-endian order from the underlying reader. Read more
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fn read_i128_le(&mut self) -> ReadI128Le<&mut Self>
where Self: Unpin,

Reads an signed 128-bit integer in little-endian order from the underlying reader. Read more
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fn read_f32_le(&mut self) -> ReadF32Le<&mut Self>
where Self: Unpin,

Reads an 32-bit floating point type in little-endian order from the underlying reader. Read more
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fn read_f64_le(&mut self) -> ReadF64Le<&mut Self>
where Self: Unpin,

Reads an 64-bit floating point type in little-endian order from the underlying reader. Read more
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fn read_to_end<'a>(&'a mut self, buf: &'a mut Vec<u8>) -> ReadToEnd<'a, Self>
where Self: Unpin,

Reads all bytes until EOF in this source, placing them into buf. Read more
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fn read_to_string<'a>( &'a mut self, dst: &'a mut String, ) -> ReadToString<'a, Self>
where Self: Unpin,

Reads all bytes until EOF in this source, appending them to buf. Read more
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fn take(self, limit: u64) -> Take<Self>
where Self: Sized,

Creates an adaptor which reads at most limit bytes from it. Read more
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impl<W> AsyncWriteExt for W
where W: AsyncWrite + ?Sized,

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fn write<'a>(&'a mut self, src: &'a [u8]) -> Write<'a, Self>
where Self: Unpin,

Writes a buffer into this writer, returning how many bytes were written. Read more
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fn write_vectored<'a, 'b>( &'a mut self, bufs: &'a [IoSlice<'b>], ) -> WriteVectored<'a, 'b, Self>
where Self: Unpin,

Like write, except that it writes from a slice of buffers. Read more
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fn write_buf<'a, B>(&'a mut self, src: &'a mut B) -> WriteBuf<'a, Self, B>
where Self: Sized + Unpin, B: Buf,

Writes a buffer into this writer, advancing the buffer’s internal cursor. Read more
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fn write_all_buf<'a, B>( &'a mut self, src: &'a mut B, ) -> WriteAllBuf<'a, Self, B>
where Self: Sized + Unpin, B: Buf,

Attempts to write an entire buffer into this writer. Read more
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fn write_all<'a>(&'a mut self, src: &'a [u8]) -> WriteAll<'a, Self>
where Self: Unpin,

Attempts to write an entire buffer into this writer. Read more
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fn write_u8(&mut self, n: u8) -> WriteU8<&mut Self>
where Self: Unpin,

Writes an unsigned 8-bit integer to the underlying writer. Read more
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fn write_i8(&mut self, n: i8) -> WriteI8<&mut Self>
where Self: Unpin,

Writes a signed 8-bit integer to the underlying writer. Read more
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fn write_u16(&mut self, n: u16) -> WriteU16<&mut Self>
where Self: Unpin,

Writes an unsigned 16-bit integer in big-endian order to the underlying writer. Read more
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fn write_i16(&mut self, n: i16) -> WriteI16<&mut Self>
where Self: Unpin,

Writes a signed 16-bit integer in big-endian order to the underlying writer. Read more
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fn write_u32(&mut self, n: u32) -> WriteU32<&mut Self>
where Self: Unpin,

Writes an unsigned 32-bit integer in big-endian order to the underlying writer. Read more
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fn write_i32(&mut self, n: i32) -> WriteI32<&mut Self>
where Self: Unpin,

Writes a signed 32-bit integer in big-endian order to the underlying writer. Read more
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fn write_u64(&mut self, n: u64) -> WriteU64<&mut Self>
where Self: Unpin,

Writes an unsigned 64-bit integer in big-endian order to the underlying writer. Read more
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fn write_i64(&mut self, n: i64) -> WriteI64<&mut Self>
where Self: Unpin,

Writes an signed 64-bit integer in big-endian order to the underlying writer. Read more
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fn write_u128(&mut self, n: u128) -> WriteU128<&mut Self>
where Self: Unpin,

Writes an unsigned 128-bit integer in big-endian order to the underlying writer. Read more
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fn write_i128(&mut self, n: i128) -> WriteI128<&mut Self>
where Self: Unpin,

Writes an signed 128-bit integer in big-endian order to the underlying writer. Read more
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fn write_f32(&mut self, n: f32) -> WriteF32<&mut Self>
where Self: Unpin,

Writes an 32-bit floating point type in big-endian order to the underlying writer. Read more
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fn write_f64(&mut self, n: f64) -> WriteF64<&mut Self>
where Self: Unpin,

Writes an 64-bit floating point type in big-endian order to the underlying writer. Read more
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fn write_u16_le(&mut self, n: u16) -> WriteU16Le<&mut Self>
where Self: Unpin,

Writes an unsigned 16-bit integer in little-endian order to the underlying writer. Read more
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fn write_i16_le(&mut self, n: i16) -> WriteI16Le<&mut Self>
where Self: Unpin,

Writes a signed 16-bit integer in little-endian order to the underlying writer. Read more
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fn write_u32_le(&mut self, n: u32) -> WriteU32Le<&mut Self>
where Self: Unpin,

Writes an unsigned 32-bit integer in little-endian order to the underlying writer. Read more
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fn write_i32_le(&mut self, n: i32) -> WriteI32Le<&mut Self>
where Self: Unpin,

Writes a signed 32-bit integer in little-endian order to the underlying writer. Read more
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fn write_u64_le(&mut self, n: u64) -> WriteU64Le<&mut Self>
where Self: Unpin,

Writes an unsigned 64-bit integer in little-endian order to the underlying writer. Read more
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fn write_i64_le(&mut self, n: i64) -> WriteI64Le<&mut Self>
where Self: Unpin,

Writes an signed 64-bit integer in little-endian order to the underlying writer. Read more
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fn write_u128_le(&mut self, n: u128) -> WriteU128Le<&mut Self>
where Self: Unpin,

Writes an unsigned 128-bit integer in little-endian order to the underlying writer. Read more
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fn write_i128_le(&mut self, n: i128) -> WriteI128Le<&mut Self>
where Self: Unpin,

Writes an signed 128-bit integer in little-endian order to the underlying writer. Read more
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fn write_f32_le(&mut self, n: f32) -> WriteF32Le<&mut Self>
where Self: Unpin,

Writes an 32-bit floating point type in little-endian order to the underlying writer. Read more
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fn write_f64_le(&mut self, n: f64) -> WriteF64Le<&mut Self>
where Self: Unpin,

Writes an 64-bit floating point type in little-endian order to the underlying writer. Read more
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fn flush(&mut self) -> Flush<'_, Self>
where Self: Unpin,

Flushes this output stream, ensuring that all intermediately buffered contents reach their destination. Read more
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fn shutdown(&mut self) -> Shutdown<'_, Self>
where Self: Unpin,

Shuts down the output stream, ensuring that the value can be dropped cleanly. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<S, State, Request, Connection> ConnectorService<State, Request> for S
where S: Service<State, Request, Response = EstablishedClientConnection<Connection, State, Request>>, <S as Service<State, Request>>::Error: Into<Box<dyn Error + Sync + Send>>,

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type Connection = Connection

Connection returned by the ConnectorService
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type Error = <S as Service<State, Request>>::Error

Error returned in case of connection / setup failure
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fn connect( &self, ctx: Context<State>, req: Request, ) -> impl Future<Output = Result<EstablishedClientConnection<<S as ConnectorService<State, Request>>::Connection, State, Request>, <S as ConnectorService<State, Request>>::Error>> + Send

Establish a connection, which often involves some kind of handshake, or connection revival.
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impl<T> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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impl<'e, I, E> EmitAndCount for I
where I: Iterator<Item = &'e E>, E: 'e + BinEncodable,

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fn emit(&mut self, encoder: &mut BinEncoder<'_>) -> Result<usize, ProtoError>

Emit self to the encoder and return the count of items
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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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fn poll(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output>
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A convenience for calling Future::poll() on !Unpin types.
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Returns the result of self or other future, preferring self if both are ready. Read more
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fn race<F>(self, other: F) -> Race<Self, F>
where Self: Sized, F: Future<Output = Self::Output>,

Returns the result of self or other future, with no preference if both are ready. Read more
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fn catch_unwind(self) -> CatchUnwind<Self>
where Self: Sized + UnwindSafe,

Catches panics while polling the future. Read more
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fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
where Self: Sized + Send + 'a,

Boxes the future and changes its type to dyn Future + Send + 'a. Read more
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fn boxed_local<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + 'a>>
where Self: Sized + 'a,

Boxes the future and changes its type to dyn Future + 'a. Read more
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impl<T> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more
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fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more
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impl<T> FutureExt for T
where T: Future + ?Sized,

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fn map<U, F>(self, f: F) -> Map<Self, F>
where F: FnOnce(Self::Output) -> U, Self: Sized,

Map this future’s output to a different type, returning a new future of the resulting type. Read more
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fn map_into<U>(self) -> MapInto<Self, U>
where Self::Output: Into<U>, Self: Sized,

Map this future’s output to a different type, returning a new future of the resulting type. Read more
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fn then<Fut, F>(self, f: F) -> Then<Self, Fut, F>
where F: FnOnce(Self::Output) -> Fut, Fut: Future, Self: Sized,

Chain on a computation for when a future finished, passing the result of the future to the provided closure f. Read more
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fn left_future<B>(self) -> Either<Self, B>
where B: Future<Output = Self::Output>, Self: Sized,

Wrap this future in an Either future, making it the left-hand variant of that Either. Read more
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fn right_future<A>(self) -> Either<A, Self>
where A: Future<Output = Self::Output>, Self: Sized,

Wrap this future in an Either future, making it the right-hand variant of that Either. Read more
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fn into_stream(self) -> IntoStream<Self>
where Self: Sized,

Convert this future into a single element stream. Read more
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fn flatten(self) -> Flatten<Self>
where Self::Output: Future, Self: Sized,

Flatten the execution of this future when the output of this future is itself another future. Read more
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fn flatten_stream(self) -> FlattenStream<Self>
where Self::Output: Stream, Self: Sized,

Flatten the execution of this future when the successful result of this future is a stream. Read more
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fn fuse(self) -> Fuse<Self>
where Self: Sized,

Fuse a future such that poll will never again be called once it has completed. This method can be used to turn any Future into a FusedFuture. Read more
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fn inspect<F>(self, f: F) -> Inspect<Self, F>
where F: FnOnce(&Self::Output), Self: Sized,

Do something with the output of a future before passing it on. Read more
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fn catch_unwind(self) -> CatchUnwind<Self>
where Self: Sized + UnwindSafe,

Catches unwinding panics while polling the future. Read more
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fn shared(self) -> Shared<Self>
where Self: Sized, Self::Output: Clone,

Create a cloneable handle to this future where all handles will resolve to the same result. Read more
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fn boxed<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + Send + 'a>>
where Self: Sized + Send + 'a,

Wrap the future in a Box, pinning it. Read more
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fn boxed_local<'a>(self) -> Pin<Box<dyn Future<Output = Self::Output> + 'a>>
where Self: Sized + 'a,

Wrap the future in a Box, pinning it. Read more
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fn unit_error(self) -> UnitError<Self>
where Self: Sized,

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fn never_error(self) -> NeverError<Self>
where Self: Sized,

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fn poll_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Self::Output>
where Self: Unpin,

A convenience for calling Future::poll on Unpin future types.
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fn now_or_never(self) -> Option<Self::Output>
where Self: Sized,

Evaluates and consumes the future, returning the resulting output if the future is ready after the first call to Future::poll. Read more
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impl<State, S, Body> HttpClientExt<State> for S
where S: Service<State, Request<Body>, Response = Response<Body>>, <S as Service<State, Request<Body>>>::Error: Into<Box<dyn Error + Sync + Send>>,

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type ExecuteResponse = Response<Body>

The response type returned by the execute method.
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type ExecuteError = <S as Service<State, Request<Body>>>::Error

The error type returned by the execute method.
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fn get( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, State, <S as HttpClientExt<State>>::ExecuteResponse>

Convenience method to make a GET request to a URL. Read more
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fn post( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, State, <S as HttpClientExt<State>>::ExecuteResponse>

Convenience method to make a POST request to a URL. Read more
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fn put( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, State, <S as HttpClientExt<State>>::ExecuteResponse>

Convenience method to make a PUT request to a URL. Read more
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fn patch( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, State, <S as HttpClientExt<State>>::ExecuteResponse>

Convenience method to make a PATCH request to a URL. Read more
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fn delete( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, State, <S as HttpClientExt<State>>::ExecuteResponse>

Convenience method to make a DELETE request to a URL. Read more
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fn head( &self, url: impl IntoUrl, ) -> RequestBuilder<'_, S, State, <S as HttpClientExt<State>>::ExecuteResponse>

Convenience method to make a HEAD request to a URL. Read more
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fn request( &self, method: Method, url: impl IntoUrl, ) -> RequestBuilder<'_, S, State, <S as HttpClientExt<State>>::ExecuteResponse>

Start building a Request with the Method and Url. Read more
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fn execute( &self, ctx: Context<State>, request: Request<Body>, ) -> impl Future<Output = Result<<S as HttpClientExt<State>>::ExecuteResponse, <S as HttpClientExt<State>>::ExecuteError>>

Executes a Request. Read more
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<F> IntoFuture for F
where F: Future,

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type Output = <F as Future>::Output

The output that the future will produce on completion.
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type IntoFuture = F

Which kind of future are we turning this into?
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fn into_future(self) -> <F as IntoFuture>::IntoFuture

Creates a future from a value. Read more
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impl<I> IntoIterator for I
where I: Iterator,

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type Item = <I as Iterator>::Item

The type of the elements being iterated over.
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type IntoIter = I

Which kind of iterator are we turning this into?
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fn into_iter(self) -> I

Creates an iterator from a value. Read more
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impl<'a, I, M, State, Request> IteratorMatcherExt<'a, M, State, Request> for I
where I: Iterator<Item = &'a M> + 'a, M: Matcher<State, Request>,

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fn matches_and( self, ext: Option<&mut Extensions>, ctx: &Context<State>, request: &Request, ) -> bool

Matches in case all Matcher elements match for the given Request within the specified crate::Context.
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fn matches_or( self, ext: Option<&mut Extensions>, ctx: &Context<State>, request: &Request, ) -> bool

Matches in case any of the Matcher elements match for the given Request within the specified crate::Context.
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impl<I> IteratorRandom for I
where I: Iterator,

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fn choose<R>(self, rng: &mut R) -> Option<Self::Item>
where R: Rng + ?Sized,

Choose one element at random from the iterator. Read more
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fn choose_stable<R>(self, rng: &mut R) -> Option<Self::Item>
where R: Rng + ?Sized,

Choose one element at random from the iterator. Read more
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fn choose_multiple_fill<R>(self, rng: &mut R, buf: &mut [Self::Item]) -> usize
where R: Rng + ?Sized,

Collects values at random from the iterator into a supplied buffer until that buffer is filled. Read more
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fn choose_multiple<R>(self, rng: &mut R, amount: usize) -> Vec<Self::Item>
where R: Rng + ?Sized,

Collects amount values at random from the iterator into a vector. Read more
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impl<T> Itertools for T
where T: Iterator + ?Sized,

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fn interleave<J>( self, other: J, ) -> Interleave<Self, <J as IntoIterator>::IntoIter>
where J: IntoIterator<Item = Self::Item>, Self: Sized,

Alternate elements from two iterators until both have run out. Read more
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fn interleave_shortest<J>( self, other: J, ) -> InterleaveShortest<Self, <J as IntoIterator>::IntoIter>
where J: IntoIterator<Item = Self::Item>, Self: Sized,

Alternate elements from two iterators until at least one of them has run out. Read more
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fn intersperse( self, element: Self::Item, ) -> IntersperseWith<Self, IntersperseElementSimple<Self::Item>>
where Self: Sized, Self::Item: Clone,

An iterator adaptor to insert a particular value between each element of the adapted iterator. Read more
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fn intersperse_with<F>(self, element: F) -> IntersperseWith<Self, F>
where Self: Sized, F: FnMut() -> Self::Item,

An iterator adaptor to insert a particular value created by a function between each element of the adapted iterator. Read more
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fn get<R>(self, index: R) -> <R as IteratorIndex<Self>>::Output
where Self: Sized, R: IteratorIndex<Self>,

Returns an iterator over a subsection of the iterator. Read more
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fn zip_longest<J>( self, other: J, ) -> ZipLongest<Self, <J as IntoIterator>::IntoIter>
where J: IntoIterator, Self: Sized,

Create an iterator which iterates over both this and the specified iterator simultaneously, yielding pairs of two optional elements. Read more
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fn zip_eq<J>(self, other: J) -> ZipEq<Self, <J as IntoIterator>::IntoIter>
where J: IntoIterator, Self: Sized,

Create an iterator which iterates over both this and the specified iterator simultaneously, yielding pairs of elements. Read more
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fn batching<B, F>(self, f: F) -> Batching<Self, F>
where F: FnMut(&mut Self) -> Option<B>, Self: Sized,

A “meta iterator adaptor”. Its closure receives a reference to the iterator and may pick off as many elements as it likes, to produce the next iterator element. Read more
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fn chunk_by<K, F>(self, key: F) -> ChunkBy<K, Self, F>
where Self: Sized, F: FnMut(&Self::Item) -> K, K: PartialEq,

Return an iterable that can group iterator elements. Consecutive elements that map to the same key (“runs”), are assigned to the same group. Read more
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fn group_by<K, F>(self, key: F) -> ChunkBy<K, Self, F>
where Self: Sized, F: FnMut(&Self::Item) -> K, K: PartialEq,

👎Deprecated since 0.13.0: Use .chunk_by() instead
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fn chunks(self, size: usize) -> IntoChunks<Self>
where Self: Sized,

Return an iterable that can chunk the iterator. Read more
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fn tuple_windows<T>(self) -> TupleWindows<Self, T>
where Self: Sized + Iterator<Item = <T as TupleCollect>::Item>, T: HomogeneousTuple, <T as TupleCollect>::Item: Clone,

Return an iterator over all contiguous windows producing tuples of a specific size (up to 12). Read more
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fn circular_tuple_windows<T>(self) -> CircularTupleWindows<Self, T>
where Self: Sized + Clone + Iterator<Item = <T as TupleCollect>::Item> + ExactSizeIterator, T: TupleCollect + Clone, <T as TupleCollect>::Item: Clone,

Return an iterator over all windows, wrapping back to the first elements when the window would otherwise exceed the length of the iterator, producing tuples of a specific size (up to 12). Read more
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fn tuples<T>(self) -> Tuples<Self, T>
where Self: Sized + Iterator<Item = <T as TupleCollect>::Item>, T: HomogeneousTuple,

Return an iterator that groups the items in tuples of a specific size (up to 12). Read more
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fn tee(self) -> (Tee<Self>, Tee<Self>)
where Self: Sized, Self::Item: Clone,

Split into an iterator pair that both yield all elements from the original iterator. Read more
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fn map_into<R>(self) -> MapSpecialCase<Self, MapSpecialCaseFnInto<R>>
where Self: Sized, Self::Item: Into<R>,

Convert each item of the iterator using the Into trait. Read more
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fn map_ok<F, T, U, E>(self, f: F) -> MapSpecialCase<Self, MapSpecialCaseFnOk<F>>
where Self: Sized + Iterator<Item = Result<T, E>>, F: FnMut(T) -> U,

Return an iterator adaptor that applies the provided closure to every Result::Ok value. Result::Err values are unchanged. Read more
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fn filter_ok<F, T, E>(self, f: F) -> FilterOk<Self, F>
where Self: Sized + Iterator<Item = Result<T, E>>, F: FnMut(&T) -> bool,

Return an iterator adaptor that filters every Result::Ok value with the provided closure. Result::Err values are unchanged. Read more
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fn filter_map_ok<F, T, U, E>(self, f: F) -> FilterMapOk<Self, F>
where Self: Sized + Iterator<Item = Result<T, E>>, F: FnMut(T) -> Option<U>,

Return an iterator adaptor that filters and transforms every Result::Ok value with the provided closure. Result::Err values are unchanged. Read more
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fn flatten_ok<T, E>(self) -> FlattenOk<Self, T, E>
where Self: Sized + Iterator<Item = Result<T, E>>, T: IntoIterator,

Return an iterator adaptor that flattens every Result::Ok value into a series of Result::Ok values. Result::Err values are unchanged. Read more
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fn process_results<F, T, E, R>(self, processor: F) -> Result<R, E>
where Self: Sized + Iterator<Item = Result<T, E>>, F: FnOnce(ProcessResults<'_, Self, E>) -> R,

“Lift” a function of the values of the current iterator so as to process an iterator of Result values instead. Read more
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fn merge<J>( self, other: J, ) -> MergeBy<Self, <J as IntoIterator>::IntoIter, MergeLte>
where Self: Sized, Self::Item: PartialOrd, J: IntoIterator<Item = Self::Item>,

Return an iterator adaptor that merges the two base iterators in ascending order. If both base iterators are sorted (ascending), the result is sorted. Read more
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fn merge_by<J, F>( self, other: J, is_first: F, ) -> MergeBy<Self, <J as IntoIterator>::IntoIter, F>
where Self: Sized, J: IntoIterator<Item = Self::Item>, F: FnMut(&Self::Item, &Self::Item) -> bool,

Return an iterator adaptor that merges the two base iterators in order. This is much like .merge() but allows for a custom ordering. Read more
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fn merge_join_by<J, F, T>( self, other: J, cmp_fn: F, ) -> MergeBy<Self, <J as IntoIterator>::IntoIter, MergeFuncLR<F, <F as FuncLR<Self::Item, <<J as IntoIterator>::IntoIter as Iterator>::Item>>::T>>
where J: IntoIterator, F: FnMut(&Self::Item, &<J as IntoIterator>::Item) -> T, Self: Sized,

Create an iterator that merges items from both this and the specified iterator in ascending order. Read more
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fn kmerge(self) -> KMergeBy<<Self::Item as IntoIterator>::IntoIter, KMergeByLt>
where Self: Sized, Self::Item: IntoIterator, <Self::Item as IntoIterator>::Item: PartialOrd,

Return an iterator adaptor that flattens an iterator of iterators by merging them in ascending order. Read more
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fn kmerge_by<F>( self, first: F, ) -> KMergeBy<<Self::Item as IntoIterator>::IntoIter, F>
where Self: Sized, Self::Item: IntoIterator, F: FnMut(&<Self::Item as IntoIterator>::Item, &<Self::Item as IntoIterator>::Item) -> bool,

Return an iterator adaptor that flattens an iterator of iterators by merging them according to the given closure. Read more
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fn cartesian_product<J>( self, other: J, ) -> Product<Self, <J as IntoIterator>::IntoIter>
where Self: Sized, Self::Item: Clone, J: IntoIterator, <J as IntoIterator>::IntoIter: Clone,

Return an iterator adaptor that iterates over the cartesian product of the element sets of two iterators self and J. Read more
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fn multi_cartesian_product( self, ) -> MultiProduct<<Self::Item as IntoIterator>::IntoIter>
where Self: Sized, Self::Item: IntoIterator, <Self::Item as IntoIterator>::IntoIter: Clone, <Self::Item as IntoIterator>::Item: Clone,

Return an iterator adaptor that iterates over the cartesian product of all subiterators returned by meta-iterator self. Read more
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fn coalesce<F>(self, f: F) -> CoalesceBy<Self, F, NoCount>
where Self: Sized, F: FnMut(Self::Item, Self::Item) -> Result<Self::Item, (Self::Item, Self::Item)>,

Return an iterator adaptor that uses the passed-in closure to optionally merge together consecutive elements. Read more
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fn dedup(self) -> CoalesceBy<Self, DedupPred2CoalescePred<DedupEq>, NoCount>
where Self: Sized, Self::Item: PartialEq,

Remove duplicates from sections of consecutive identical elements. If the iterator is sorted, all elements will be unique. Read more
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fn dedup_by<Cmp>( self, cmp: Cmp, ) -> CoalesceBy<Self, DedupPred2CoalescePred<Cmp>, NoCount>
where Self: Sized, Cmp: FnMut(&Self::Item, &Self::Item) -> bool,

Remove duplicates from sections of consecutive identical elements, determining equality using a comparison function. If the iterator is sorted, all elements will be unique. Read more
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fn dedup_with_count( self, ) -> CoalesceBy<Self, DedupPredWithCount2CoalescePred<DedupEq>, WithCount>
where Self: Sized,

Remove duplicates from sections of consecutive identical elements, while keeping a count of how many repeated elements were present. If the iterator is sorted, all elements will be unique. Read more
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fn dedup_by_with_count<Cmp>( self, cmp: Cmp, ) -> CoalesceBy<Self, DedupPredWithCount2CoalescePred<Cmp>, WithCount>
where Self: Sized, Cmp: FnMut(&Self::Item, &Self::Item) -> bool,

Remove duplicates from sections of consecutive identical elements, while keeping a count of how many repeated elements were present. This will determine equality using a comparison function. If the iterator is sorted, all elements will be unique. Read more
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fn duplicates(self) -> DuplicatesBy<Self, Self::Item, ById>
where Self: Sized, Self::Item: Eq + Hash,

Return an iterator adaptor that produces elements that appear more than once during the iteration. Duplicates are detected using hash and equality. Read more
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fn duplicates_by<V, F>(self, f: F) -> DuplicatesBy<Self, V, ByFn<F>>
where Self: Sized, V: Eq + Hash, F: FnMut(&Self::Item) -> V,

Return an iterator adaptor that produces elements that appear more than once during the iteration. Duplicates are detected using hash and equality. Read more
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fn unique(self) -> Unique<Self>
where Self: Sized, Self::Item: Clone + Eq + Hash,

Return an iterator adaptor that filters out elements that have already been produced once during the iteration. Duplicates are detected using hash and equality. Read more
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fn unique_by<V, F>(self, f: F) -> UniqueBy<Self, V, F>
where Self: Sized, V: Eq + Hash, F: FnMut(&Self::Item) -> V,

Return an iterator adaptor that filters out elements that have already been produced once during the iteration. Read more
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fn peeking_take_while<F>(&mut self, accept: F) -> PeekingTakeWhile<'_, Self, F>
where Self: Sized + PeekingNext, F: FnMut(&Self::Item) -> bool,

Return an iterator adaptor that borrows from this iterator and takes items while the closure accept returns true. Read more
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fn take_while_ref<F>(&mut self, accept: F) -> TakeWhileRef<'_, Self, F>
where Self: Clone, F: FnMut(&Self::Item) -> bool,

Return an iterator adaptor that borrows from a Clone-able iterator to only pick off elements while the predicate accept returns true. Read more
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fn take_while_inclusive<F>(self, accept: F) -> TakeWhileInclusive<Self, F>
where Self: Sized, F: FnMut(&Self::Item) -> bool,

Returns an iterator adaptor that consumes elements while the given predicate is true, including the element for which the predicate first returned false. Read more
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fn while_some<A>(self) -> WhileSome<Self>
where Self: Sized + Iterator<Item = Option<A>>,

Return an iterator adaptor that filters Option<A> iterator elements and produces A. Stops on the first None encountered. Read more
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fn tuple_combinations<T>(self) -> TupleCombinations<Self, T>
where Self: Sized + Clone, Self::Item: Clone, T: HasCombination<Self>,

Return an iterator adaptor that iterates over the combinations of the elements from an iterator. Read more
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fn combinations(self, k: usize) -> Combinations<Self>
where Self: Sized, Self::Item: Clone,

Return an iterator adaptor that iterates over the k-length combinations of the elements from an iterator. Read more
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fn combinations_with_replacement( self, k: usize, ) -> CombinationsWithReplacement<Self>
where Self: Sized, Self::Item: Clone,

Return an iterator that iterates over the k-length combinations of the elements from an iterator, with replacement. Read more
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fn permutations(self, k: usize) -> Permutations<Self>
where Self: Sized, Self::Item: Clone,

Return an iterator adaptor that iterates over all k-permutations of the elements from an iterator. Read more
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fn powerset(self) -> Powerset<Self>
where Self: Sized, Self::Item: Clone,

Return an iterator that iterates through the powerset of the elements from an iterator. Read more
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fn pad_using<F>(self, min: usize, f: F) -> PadUsing<Self, F>
where Self: Sized, F: FnMut(usize) -> Self::Item,

Return an iterator adaptor that pads the sequence to a minimum length of min by filling missing elements using a closure f. Read more
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fn with_position(self) -> WithPosition<Self>
where Self: Sized,

Return an iterator adaptor that combines each element with a Position to ease special-case handling of the first or last elements. Read more
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fn positions<P>(self, predicate: P) -> Positions<Self, P>
where Self: Sized, P: FnMut(Self::Item) -> bool,

Return an iterator adaptor that yields the indices of all elements satisfying a predicate, counted from the start of the iterator. Read more
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fn update<F>(self, updater: F) -> Update<Self, F>
where Self: Sized, F: FnMut(&mut Self::Item),

Return an iterator adaptor that applies a mutating function to each element before yielding it. Read more
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fn next_tuple<T>(&mut self) -> Option<T>
where Self: Sized + Iterator<Item = <T as TupleCollect>::Item>, T: HomogeneousTuple,

Advances the iterator and returns the next items grouped in a tuple of a specific size (up to 12). Read more
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fn collect_tuple<T>(self) -> Option<T>
where Self: Sized + Iterator<Item = <T as TupleCollect>::Item>, T: HomogeneousTuple,

Collects all items from the iterator into a tuple of a specific size (up to 12). Read more
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fn find_position<P>(&mut self, pred: P) -> Option<(usize, Self::Item)>
where P: FnMut(&Self::Item) -> bool,

Find the position and value of the first element satisfying a predicate. Read more
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fn find_or_last<P>(self, predicate: P) -> Option<Self::Item>
where Self: Sized, P: FnMut(&Self::Item) -> bool,

Find the value of the first element satisfying a predicate or return the last element, if any. Read more
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fn find_or_first<P>(self, predicate: P) -> Option<Self::Item>
where Self: Sized, P: FnMut(&Self::Item) -> bool,

Find the value of the first element satisfying a predicate or return the first element, if any. Read more
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fn contains<Q>(&mut self, query: &Q) -> bool
where Self: Sized, Self::Item: Borrow<Q>, Q: PartialEq,

Returns true if the given item is present in this iterator. Read more
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fn all_equal(&mut self) -> bool
where Self: Sized, Self::Item: PartialEq,

Check whether all elements compare equal. Read more
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fn all_equal_value( &mut self, ) -> Result<Self::Item, Option<(Self::Item, Self::Item)>>
where Self: Sized, Self::Item: PartialEq,

If there are elements and they are all equal, return a single copy of that element. If there are no elements, return an Error containing None. If there are elements and they are not all equal, return a tuple containing the first two non-equal elements found. Read more
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fn all_unique(&mut self) -> bool
where Self: Sized, Self::Item: Eq + Hash,

Check whether all elements are unique (non equal). Read more
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fn dropping(self, n: usize) -> Self
where Self: Sized,

Consume the first n elements from the iterator eagerly, and return the same iterator again. Read more
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fn dropping_back(self, n: usize) -> Self
where Self: Sized + DoubleEndedIterator,

Consume the last n elements from the iterator eagerly, and return the same iterator again. Read more
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fn concat(self) -> Self::Item
where Self: Sized, Self::Item: Extend<<Self::Item as IntoIterator>::Item> + IntoIterator + Default,

Combine all an iterator’s elements into one element by using Extend. Read more
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fn collect_vec(self) -> Vec<Self::Item>
where Self: Sized,

.collect_vec() is simply a type specialization of Iterator::collect, for convenience.
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fn try_collect<T, U, E>(self) -> Result<U, E>
where Self: Sized + Iterator<Item = Result<T, E>>, Result<U, E>: FromIterator<Result<T, E>>,

.try_collect() is more convenient way of writing .collect::<Result<_, _>>() Read more
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fn set_from<'a, A, J>(&mut self, from: J) -> usize
where A: 'a, Self: Iterator<Item = &'a mut A>, J: IntoIterator<Item = A>,

Assign to each reference in self from the from iterator, stopping at the shortest of the two iterators. Read more
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fn join(&mut self, sep: &str) -> String
where Self::Item: Display,

Combine all iterator elements into one String, separated by sep. Read more
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fn format(self, sep: &str) -> Format<'_, Self>
where Self: Sized,

Format all iterator elements, separated by sep. Read more
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fn format_with<F>(self, sep: &str, format: F) -> FormatWith<'_, Self, F>
where Self: Sized, F: FnMut(Self::Item, &mut dyn FnMut(&dyn Display) -> Result<(), Error>) -> Result<(), Error>,

Format all iterator elements, separated by sep. Read more
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fn fold_ok<A, E, B, F>(&mut self, start: B, f: F) -> Result<B, E>
where Self: Iterator<Item = Result<A, E>>, F: FnMut(B, A) -> B,

Fold Result values from an iterator. Read more
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fn fold_options<A, B, F>(&mut self, start: B, f: F) -> Option<B>
where Self: Iterator<Item = Option<A>>, F: FnMut(B, A) -> B,

Fold Option values from an iterator. Read more
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fn fold1<F>(self, f: F) -> Option<Self::Item>
where F: FnMut(Self::Item, Self::Item) -> Self::Item, Self: Sized,

👎Deprecated since 0.10.2: Use Iterator::reduce instead
Accumulator of the elements in the iterator. Read more
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fn tree_reduce<F>(self, f: F) -> Option<Self::Item>
where F: FnMut(Self::Item, Self::Item) -> Self::Item, Self: Sized,

Accumulate the elements in the iterator in a tree-like manner. Read more
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fn tree_fold1<F>(self, f: F) -> Option<Self::Item>
where F: FnMut(Self::Item, Self::Item) -> Self::Item, Self: Sized,

👎Deprecated since 0.13.0: Use .tree_reduce() instead
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fn fold_while<B, F>(&mut self, init: B, f: F) -> FoldWhile<B>
where Self: Sized, F: FnMut(B, Self::Item) -> FoldWhile<B>,

An iterator method that applies a function, producing a single, final value. Read more
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fn sum1<S>(self) -> Option<S>
where Self: Sized, S: Sum<Self::Item>,

Iterate over the entire iterator and add all the elements. Read more
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fn product1<P>(self) -> Option<P>
where Self: Sized, P: Product<Self::Item>,

Iterate over the entire iterator and multiply all the elements. Read more
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fn sorted_unstable(self) -> IntoIter<Self::Item>
where Self: Sized, Self::Item: Ord,

Sort all iterator elements into a new iterator in ascending order. Read more
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fn sorted_unstable_by<F>(self, cmp: F) -> IntoIter<Self::Item>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Sort all iterator elements into a new iterator in ascending order. Read more
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fn sorted_unstable_by_key<K, F>(self, f: F) -> IntoIter<Self::Item>
where Self: Sized, K: Ord, F: FnMut(&Self::Item) -> K,

Sort all iterator elements into a new iterator in ascending order. Read more
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fn sorted(self) -> IntoIter<Self::Item>
where Self: Sized, Self::Item: Ord,

Sort all iterator elements into a new iterator in ascending order. Read more
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fn sorted_by<F>(self, cmp: F) -> IntoIter<Self::Item>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Sort all iterator elements into a new iterator in ascending order. Read more
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fn sorted_by_key<K, F>(self, f: F) -> IntoIter<Self::Item>
where Self: Sized, K: Ord, F: FnMut(&Self::Item) -> K,

Sort all iterator elements into a new iterator in ascending order. Read more
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fn sorted_by_cached_key<K, F>(self, f: F) -> IntoIter<Self::Item>
where Self: Sized, K: Ord, F: FnMut(&Self::Item) -> K,

Sort all iterator elements into a new iterator in ascending order. The key function is called exactly once per key. Read more
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fn k_smallest(self, k: usize) -> IntoIter<Self::Item>
where Self: Sized, Self::Item: Ord,

Sort the k smallest elements into a new iterator, in ascending order. Read more
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fn k_smallest_by<F>(self, k: usize, cmp: F) -> IntoIter<Self::Item>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Sort the k smallest elements into a new iterator using the provided comparison. Read more
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fn k_smallest_by_key<F, K>(self, k: usize, key: F) -> IntoIter<Self::Item>
where Self: Sized, F: FnMut(&Self::Item) -> K, K: Ord,

Return the elements producing the k smallest outputs of the provided function. Read more
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fn k_largest(self, k: usize) -> IntoIter<Self::Item>
where Self: Sized, Self::Item: Ord,

Sort the k largest elements into a new iterator, in descending order. Read more
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fn k_largest_by<F>(self, k: usize, cmp: F) -> IntoIter<Self::Item>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Sort the k largest elements into a new iterator using the provided comparison. Read more
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fn k_largest_by_key<F, K>(self, k: usize, key: F) -> IntoIter<Self::Item>
where Self: Sized, F: FnMut(&Self::Item) -> K, K: Ord,

Return the elements producing the k largest outputs of the provided function. Read more
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fn tail(self, n: usize) -> IntoIter<Self::Item>
where Self: Sized,

Consumes the iterator and return an iterator of the last n elements. Read more
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fn partition_map<A, B, F, L, R>(self, predicate: F) -> (A, B)
where Self: Sized, F: FnMut(Self::Item) -> Either<L, R>, A: Default + Extend<L>, B: Default + Extend<R>,

Collect all iterator elements into one of two partitions. Unlike Iterator::partition, each partition may have a distinct type. Read more
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fn partition_result<A, B, T, E>(self) -> (A, B)
where Self: Sized + Iterator<Item = Result<T, E>>, A: Default + Extend<T>, B: Default + Extend<E>,

Partition a sequence of Results into one list of all the Ok elements and another list of all the Err elements. Read more
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fn into_group_map<K, V>(self) -> HashMap<K, Vec<V>>
where Self: Sized + Iterator<Item = (K, V)>, K: Hash + Eq,

Return a HashMap of keys mapped to Vecs of values. Keys and values are taken from (Key, Value) tuple pairs yielded by the input iterator. Read more
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fn into_group_map_by<K, V, F>(self, f: F) -> HashMap<K, Vec<V>>
where Self: Sized + Iterator<Item = V>, K: Hash + Eq, F: FnMut(&V) -> K,

Return an Iterator on a HashMap. Keys mapped to Vecs of values. The key is specified in the closure. Read more
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fn into_grouping_map<K, V>(self) -> GroupingMap<Self>
where Self: Sized + Iterator<Item = (K, V)>, K: Hash + Eq,

Constructs a GroupingMap to be used later with one of the efficient group-and-fold operations it allows to perform. Read more
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fn into_grouping_map_by<K, V, F>( self, key_mapper: F, ) -> GroupingMap<MapSpecialCase<Self, GroupingMapFn<F>>>
where Self: Sized + Iterator<Item = V>, K: Hash + Eq, F: FnMut(&V) -> K,

Constructs a GroupingMap to be used later with one of the efficient group-and-fold operations it allows to perform. Read more
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fn min_set(self) -> Vec<Self::Item>
where Self: Sized, Self::Item: Ord,

Return all minimum elements of an iterator. Read more
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fn min_set_by<F>(self, compare: F) -> Vec<Self::Item>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Return all minimum elements of an iterator, as determined by the specified function. Read more
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fn min_set_by_key<K, F>(self, key: F) -> Vec<Self::Item>
where Self: Sized, K: Ord, F: FnMut(&Self::Item) -> K,

Return all minimum elements of an iterator, as determined by the specified function. Read more
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fn max_set(self) -> Vec<Self::Item>
where Self: Sized, Self::Item: Ord,

Return all maximum elements of an iterator. Read more
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fn max_set_by<F>(self, compare: F) -> Vec<Self::Item>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Return all maximum elements of an iterator, as determined by the specified function. Read more
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fn max_set_by_key<K, F>(self, key: F) -> Vec<Self::Item>
where Self: Sized, K: Ord, F: FnMut(&Self::Item) -> K,

Return all maximum elements of an iterator, as determined by the specified function. Read more
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fn minmax(self) -> MinMaxResult<Self::Item>
where Self: Sized, Self::Item: PartialOrd,

Return the minimum and maximum elements in the iterator. Read more
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fn minmax_by_key<K, F>(self, key: F) -> MinMaxResult<Self::Item>
where Self: Sized, K: PartialOrd, F: FnMut(&Self::Item) -> K,

Return the minimum and maximum element of an iterator, as determined by the specified function. Read more
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fn minmax_by<F>(self, compare: F) -> MinMaxResult<Self::Item>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Return the minimum and maximum element of an iterator, as determined by the specified comparison function. Read more
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fn position_max(self) -> Option<usize>
where Self: Sized, Self::Item: Ord,

Return the position of the maximum element in the iterator. Read more
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fn position_max_by_key<K, F>(self, key: F) -> Option<usize>
where Self: Sized, K: Ord, F: FnMut(&Self::Item) -> K,

Return the position of the maximum element in the iterator, as determined by the specified function. Read more
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fn position_max_by<F>(self, compare: F) -> Option<usize>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Return the position of the maximum element in the iterator, as determined by the specified comparison function. Read more
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fn position_min(self) -> Option<usize>
where Self: Sized, Self::Item: Ord,

Return the position of the minimum element in the iterator. Read more
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fn position_min_by_key<K, F>(self, key: F) -> Option<usize>
where Self: Sized, K: Ord, F: FnMut(&Self::Item) -> K,

Return the position of the minimum element in the iterator, as determined by the specified function. Read more
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fn position_min_by<F>(self, compare: F) -> Option<usize>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Return the position of the minimum element in the iterator, as determined by the specified comparison function. Read more
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fn position_minmax(self) -> MinMaxResult<usize>
where Self: Sized, Self::Item: PartialOrd,

Return the positions of the minimum and maximum elements in the iterator. Read more
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fn position_minmax_by_key<K, F>(self, key: F) -> MinMaxResult<usize>
where Self: Sized, K: PartialOrd, F: FnMut(&Self::Item) -> K,

Return the postions of the minimum and maximum elements of an iterator, as determined by the specified function. Read more
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fn position_minmax_by<F>(self, compare: F) -> MinMaxResult<usize>
where Self: Sized, F: FnMut(&Self::Item, &Self::Item) -> Ordering,

Return the postions of the minimum and maximum elements of an iterator, as determined by the specified comparison function. Read more
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fn exactly_one(self) -> Result<Self::Item, ExactlyOneError<Self>>
where Self: Sized,

If the iterator yields exactly one element, that element will be returned, otherwise an error will be returned containing an iterator that has the same output as the input iterator. Read more
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fn at_most_one(self) -> Result<Option<Self::Item>, ExactlyOneError<Self>>
where Self: Sized,

If the iterator yields no elements, Ok(None) will be returned. If the iterator yields exactly one element, that element will be returned, otherwise an error will be returned containing an iterator that has the same output as the input iterator. Read more
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fn multipeek(self) -> MultiPeek<Self>
where Self: Sized,

An iterator adaptor that allows the user to peek at multiple .next() values without advancing the base iterator. Read more
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fn counts(self) -> HashMap<Self::Item, usize>
where Self: Sized, Self::Item: Eq + Hash,

Collect the items in this iterator and return a HashMap which contains each item that appears in the iterator and the number of times it appears. Read more
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fn counts_by<K, F>(self, f: F) -> HashMap<K, usize>
where Self: Sized, K: Eq + Hash, F: FnMut(Self::Item) -> K,

Collect the items in this iterator and return a HashMap which contains each item that appears in the iterator and the number of times it appears, determining identity using a keying function. Read more
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fn multiunzip<FromI>(self) -> FromI
where Self: Sized + MultiUnzip<FromI>,

Converts an iterator of tuples into a tuple of containers. Read more
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fn try_len(&self) -> Result<usize, (usize, Option<usize>)>

Returns the length of the iterator if one exists. Otherwise return self.size_hint(). Read more
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impl<IT> MultiUnzip<()> for IT
where IT: Iterator<Item = ()>,

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fn multiunzip(self)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA> MultiUnzip<(FromA,)> for IT
where IT: Iterator<Item = (A,)>, FromA: Default + Extend<A>,

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fn multiunzip(self) -> (FromA,)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB> MultiUnzip<(FromA, FromB)> for IT
where IT: Iterator<Item = (A, B)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>,

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fn multiunzip(self) -> (FromA, FromB)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB, C, FromC> MultiUnzip<(FromA, FromB, FromC)> for IT
where IT: Iterator<Item = (A, B, C)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>,

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fn multiunzip(self) -> (FromA, FromB, FromC)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB, C, FromC, D, FromD> MultiUnzip<(FromA, FromB, FromC, FromD)> for IT
where IT: Iterator<Item = (A, B, C, D)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>,

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fn multiunzip(self) -> (FromA, FromB, FromC, FromD)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE> MultiUnzip<(FromA, FromB, FromC, FromD, FromE)> for IT
where IT: Iterator<Item = (A, B, C, D, E)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>,

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fn multiunzip(self) -> (FromA, FromB, FromC, FromD, FromE)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF> MultiUnzip<(FromA, FromB, FromC, FromD, FromE, FromF)> for IT
where IT: Iterator<Item = (A, B, C, D, E, F)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>,

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fn multiunzip(self) -> (FromA, FromB, FromC, FromD, FromE, FromF)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG> MultiUnzip<(FromA, FromB, FromC, FromD, FromE, FromF, FromG)> for IT
where IT: Iterator<Item = (A, B, C, D, E, F, G)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>,

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fn multiunzip(self) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG, H, FromH> MultiUnzip<(FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH)> for IT
where IT: Iterator<Item = (A, B, C, D, E, F, G, H)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>, FromH: Default + Extend<H>,

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fn multiunzip(self) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG, H, FromH, I, FromI> MultiUnzip<(FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI)> for IT
where IT: Iterator<Item = (A, B, C, D, E, F, G, H, I)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>, FromH: Default + Extend<H>, FromI: Default + Extend<I>,

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fn multiunzip( self, ) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG, H, FromH, I, FromI, J, FromJ> MultiUnzip<(FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ)> for IT
where IT: Iterator<Item = (A, B, C, D, E, F, G, H, I, J)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>, FromH: Default + Extend<H>, FromI: Default + Extend<I>, FromJ: Default + Extend<J>,

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fn multiunzip( self, ) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG, H, FromH, I, FromI, J, FromJ, K, FromK> MultiUnzip<(FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ, FromK)> for IT
where IT: Iterator<Item = (A, B, C, D, E, F, G, H, I, J, K)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>, FromH: Default + Extend<H>, FromI: Default + Extend<I>, FromJ: Default + Extend<J>, FromK: Default + Extend<K>,

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fn multiunzip( self, ) -> (FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ, FromK)

Unzip this iterator into multiple collections.
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impl<IT, A, FromA, B, FromB, C, FromC, D, FromD, E, FromE, F, FromF, G, FromG, H, FromH, I, FromI, J, FromJ, K, FromK, L, FromL> MultiUnzip<(FromA, FromB, FromC, FromD, FromE, FromF, FromG, FromH, FromI, FromJ, FromK, FromL)> for IT
where IT: Iterator<Item = (A, B, C, D, E, F, G, H, I, J, K, L)>, FromA: Default + Extend<A>, FromB: Default + Extend<B>, FromC: Default + Extend<C>, FromD: Default + Extend<D>, FromE: Default + Extend<E>, FromF: Default + Extend<F>, FromG: Default + Extend<G>, FromH: Default + Extend<H>, FromI: Default + Extend<I>, FromJ: Default + Extend<J>, FromK: Default + Extend<K>, FromL: Default + Extend<L>,

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impl<T> Pipe for T
where T: ?Sized,

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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more
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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

Borrows self and passes that borrow into the pipe function. Read more
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fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R
where R: 'a,

Mutably borrows self and passes that borrow into the pipe function. Read more
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fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> R
where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

Borrows self, then passes self.borrow() into the pipe function. Read more
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fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R, ) -> R
where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more
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fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> R
where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
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fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> R
where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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fn pipe_deref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.
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fn pipe_deref_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R, ) -> R
where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
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impl<T> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> PolicyExt for T
where T: ?Sized,

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fn and<S, P, B, E>(self, other: P) -> And<T, P>
where T: Policy<S, B, E>, P: Policy<S, B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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fn or<S, P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<S, B, E>, P: Policy<S, B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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impl<T> Same for T

source§

type Output = T

Should always be Self
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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more
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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Immutable access to the Borrow<B> of a value. Read more
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fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Mutable access to the BorrowMut<B> of a value. Read more
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fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Immutable access to the AsRef<R> view of a value. Read more
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fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Mutable access to the AsMut<R> view of a value. Read more
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fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Immutable access to the Deref::Target of a value. Read more
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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Mutable access to the Deref::Target of a value. Read more
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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

Calls .tap_borrow() only in debug builds, and is erased in release builds.
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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

Calls .tap_borrow_mut() only in debug builds, and is erased in release builds.
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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T> ToStringFallible for T
where T: Display,

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fn try_to_string(&self) -> Result<String, TryReserveError>

ToString::to_string, but without panic on OOM.

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impl<T> TryConv for T

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fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into T using TryInto<T>. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<F, T, E> TryFuture for F
where F: Future<Output = Result<T, E>> + ?Sized,

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type Ok = T

The type of successful values yielded by this future
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type Error = E

The type of failures yielded by this future
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fn try_poll( self: Pin<&mut F>, cx: &mut Context<'_>, ) -> Poll<<F as Future>::Output>

Poll this TryFuture as if it were a Future. Read more
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impl<Fut> TryFutureExt for Fut
where Fut: TryFuture + ?Sized,

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fn flatten_sink<Item>(self) -> FlattenSink<Self, Self::Ok>
where Self::Ok: Sink<Item, Error = Self::Error>, Self: Sized,

Flattens the execution of this future when the successful result of this future is a [Sink]. Read more
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fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>
where F: FnOnce(Self::Ok) -> T, Self: Sized,

Maps this future’s success value to a different value. Read more
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fn map_ok_or_else<T, E, F>(self, e: E, f: F) -> MapOkOrElse<Self, F, E>
where F: FnOnce(Self::Ok) -> T, E: FnOnce(Self::Error) -> T, Self: Sized,

Maps this future’s success value to a different value, and permits for error handling resulting in the same type. Read more
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fn map_err<E, F>(self, f: F) -> MapErr<Self, F>
where F: FnOnce(Self::Error) -> E, Self: Sized,

Maps this future’s error value to a different value. Read more
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fn err_into<E>(self) -> ErrInto<Self, E>
where Self: Sized, Self::Error: Into<E>,

Maps this future’s Error to a new error type using the Into trait. Read more
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fn ok_into<U>(self) -> OkInto<Self, U>
where Self: Sized, Self::Ok: Into<U>,

Maps this future’s Ok to a new type using the Into trait.
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fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>
where F: FnOnce(Self::Ok) -> Fut, Fut: TryFuture<Error = Self::Error>, Self: Sized,

Executes another future after this one resolves successfully. The success value is passed to a closure to create this subsequent future. Read more
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fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>
where F: FnOnce(Self::Error) -> Fut, Fut: TryFuture<Ok = Self::Ok>, Self: Sized,

Executes another future if this one resolves to an error. The error value is passed to a closure to create this subsequent future. Read more
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fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>
where F: FnOnce(&Self::Ok), Self: Sized,

Do something with the success value of a future before passing it on. Read more
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fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>
where F: FnOnce(&Self::Error), Self: Sized,

Do something with the error value of a future before passing it on. Read more
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fn try_flatten(self) -> TryFlatten<Self, Self::Ok>
where Self::Ok: TryFuture<Error = Self::Error>, Self: Sized,

Flatten the execution of this future when the successful result of this future is another future. Read more
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fn try_flatten_stream(self) -> TryFlattenStream<Self>
where Self::Ok: TryStream<Error = Self::Error>, Self: Sized,

Flatten the execution of this future when the successful result of this future is a stream. Read more
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fn unwrap_or_else<F>(self, f: F) -> UnwrapOrElse<Self, F>
where Self: Sized, F: FnOnce(Self::Error) -> Self::Ok,

Unwraps this future’s output, producing a future with this future’s Ok type as its Output type. Read more
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fn into_future(self) -> IntoFuture<Self>
where Self: Sized,

Wraps a [TryFuture] into a type that implements Future. Read more
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fn try_poll_unpin( &mut self, cx: &mut Context<'_>, ) -> Poll<Result<Self::Ok, Self::Error>>
where Self: Unpin,

A convenience method for calling [TryFuture::try_poll] on Unpin future types.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<I> UnicodeNormalization<I> for I
where I: Iterator<Item = char>,

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fn nfd(self) -> Decompositions<I>

Returns an iterator over the string in Unicode Normalization Form D (canonical decomposition).
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fn nfkd(self) -> Decompositions<I>

Returns an iterator over the string in Unicode Normalization Form KD (compatibility decomposition).
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fn nfc(self) -> Recompositions<I>

An Iterator over the string in Unicode Normalization Form C (canonical decomposition followed by canonical composition).
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fn nfkc(self) -> Recompositions<I>

An Iterator over the string in Unicode Normalization Form KC (compatibility decomposition followed by canonical composition).
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fn cjk_compat_variants(self) -> Replacements<I>

A transformation which replaces CJK Compatibility Ideograph codepoints with normal forms using Standardized Variation Sequences. This is not part of the canonical or compatibility decomposition algorithms, but performing it before those algorithms produces normalized output which better preserves the intent of the original text. Read more
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fn stream_safe(self) -> StreamSafe<I>

An Iterator over the string with Conjoining Grapheme Joiner characters inserted according to the Stream-Safe Text Process (UAX15-D4)
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T

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impl<T> Stream for T
where T: AsyncRead + AsyncWrite + Send + 'static,