Trait GetManyRef 

pub trait GetManyRef<'a>: Sized {
    type Output;
}

Helper trait powering Extensions::get_many_ref: implemented for tuples of Extension types (up to arity 12).

Required Associated Types

type Output

Tuple of Option<&'a T> mirroring the requested tuple of types.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl<'a, A, B, C, D, E, F, G, H, I, J, K, L> GetManyRef<'a> for (A, B, C, D, E, F, G, H, I, J, K, L)

where A: Extension, B: Extension, C: Extension, D: Extension, E: Extension, F: Extension, G: Extension, H: Extension, I: Extension, J: Extension, K: Extension, L: Extension,

type Output = (Option<&'a A>, Option<&'a B>, Option<&'a C>, Option<&'a D>, Option<&'a E>, Option<&'a F>, Option<&'a G>, Option<&'a H>, Option<&'a I>, Option<&'a J>, Option<&'a K>, Option<&'a L>)

impl<'a, A, B, C, D, E, F, G, H, I, J, K> GetManyRef<'a> for (A, B, C, D, E, F, G, H, I, J, K)

where A: Extension, B: Extension, C: Extension, D: Extension, E: Extension, F: Extension, G: Extension, H: Extension, I: Extension, J: Extension, K: Extension,

type Output = (Option<&'a A>, Option<&'a B>, Option<&'a C>, Option<&'a D>, Option<&'a E>, Option<&'a F>, Option<&'a G>, Option<&'a H>, Option<&'a I>, Option<&'a J>, Option<&'a K>)

impl<'a, A, B, C, D, E, F, G, H, I, J> GetManyRef<'a> for (A, B, C, D, E, F, G, H, I, J)

where A: Extension, B: Extension, C: Extension, D: Extension, E: Extension, F: Extension, G: Extension, H: Extension, I: Extension, J: Extension,

type Output = (Option<&'a A>, Option<&'a B>, Option<&'a C>, Option<&'a D>, Option<&'a E>, Option<&'a F>, Option<&'a G>, Option<&'a H>, Option<&'a I>, Option<&'a J>)

impl<'a, A, B, C, D, E, F, G, H, I> GetManyRef<'a> for (A, B, C, D, E, F, G, H, I)

where A: Extension, B: Extension, C: Extension, D: Extension, E: Extension, F: Extension, G: Extension, H: Extension, I: Extension,

type Output = (Option<&'a A>, Option<&'a B>, Option<&'a C>, Option<&'a D>, Option<&'a E>, Option<&'a F>, Option<&'a G>, Option<&'a H>, Option<&'a I>)

impl<'a, A, B, C, D, E, F, G, H> GetManyRef<'a> for (A, B, C, D, E, F, G, H)

where A: Extension, B: Extension, C: Extension, D: Extension, E: Extension, F: Extension, G: Extension, H: Extension,

type Output = (Option<&'a A>, Option<&'a B>, Option<&'a C>, Option<&'a D>, Option<&'a E>, Option<&'a F>, Option<&'a G>, Option<&'a H>)

impl<'a, A, B, C, D, E, F, G> GetManyRef<'a> for (A, B, C, D, E, F, G)

where A: Extension, B: Extension, C: Extension, D: Extension, E: Extension, F: Extension, G: Extension,

type Output = (Option<&'a A>, Option<&'a B>, Option<&'a C>, Option<&'a D>, Option<&'a E>, Option<&'a F>, Option<&'a G>)

impl<'a, A, B, C, D, E, F> GetManyRef<'a> for (A, B, C, D, E, F)

where A: Extension, B: Extension, C: Extension, D: Extension, E: Extension, F: Extension,

type Output = (Option<&'a A>, Option<&'a B>, Option<&'a C>, Option<&'a D>, Option<&'a E>, Option<&'a F>)

impl<'a, A, B, C, D, E> GetManyRef<'a> for (A, B, C, D, E)

where A: Extension, B: Extension, C: Extension, D: Extension, E: Extension,

type Output = (Option<&'a A>, Option<&'a B>, Option<&'a C>, Option<&'a D>, Option<&'a E>)

impl<'a, A, B, C, D> GetManyRef<'a> for (A, B, C, D)

where A: Extension, B: Extension, C: Extension, D: Extension,

type Output = (Option<&'a A>, Option<&'a B>, Option<&'a C>, Option<&'a D>)

impl<'a, A, B, C> GetManyRef<'a> for (A, B, C)

where A: Extension, B: Extension, C: Extension,

type Output = (Option<&'a A>, Option<&'a B>, Option<&'a C>)

impl<'a, A, B> GetManyRef<'a> for (A, B)

where A: Extension, B: Extension,

type Output = (Option<&'a A>, Option<&'a B>)

impl<'a, A> GetManyRef<'a> for (A,)

where A: Extension,

type Output = (Option<&'a A>,)

Implementors