Trait UsernameLabelParser 

pub trait UsernameLabelParser:
    Default
    + Send
    + Sync
    + 'static {
    type Error: Into<Box<dyn Error + Send + Sync>>;

    // Required methods
    fn parse_label(&mut self, label: &str) -> UsernameLabelState;
    fn build(self, ext: &Extensions) -> Result<(), Self::Error>;
}

A parser which can parse labels from a username.

Default is to be implemented for every UsernameLabelParser, as it is what is used to create the parser instances for one-time usage.

Required Associated Types

type Error: Into<Box<dyn Error + Send + Sync>>

Error which can occur during the building phase.

Required Methods

fn parse_label(&mut self, label: &str) -> UsernameLabelState

Interpret the label and return whether or not the label was recognised and valid.

UsernameLabelState::Ignored should be returned in case the label was not recognised or was not valid.

fn build(self, ext: &Extensions) -> Result<(), Self::Error>

Consume self and store/use any of the relevant info seen.

Dyn Compatibility

This trait is not dyn compatible.

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

Implementations on Foreign Types

impl UsernameLabelParser for ()

type Error = Infallible

fn parse_label(&mut self, _label: &str) -> UsernameLabelState

fn build( self, _ext: &Extensions, ) -> Result<(), <() as UsernameLabelParser>::Error>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> UsernameLabelParser for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T8: UsernameLabelParser, <T8 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T9: UsernameLabelParser, <T9 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T10: UsernameLabelParser, <T10 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T11: UsernameLabelParser, <T11 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T12: UsernameLabelParser, <T12 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12) as UsernameLabelParser>::Error>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> UsernameLabelParser for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T8: UsernameLabelParser, <T8 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T9: UsernameLabelParser, <T9 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T10: UsernameLabelParser, <T10 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T11: UsernameLabelParser, <T11 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11) as UsernameLabelParser>::Error>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> UsernameLabelParser for (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T8: UsernameLabelParser, <T8 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T9: UsernameLabelParser, <T9 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T10: UsernameLabelParser, <T10 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10) as UsernameLabelParser>::Error>

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9> UsernameLabelParser for (T1, T2, T3, T4, T5, T6, T7, T8, T9)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T8: UsernameLabelParser, <T8 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T9: UsernameLabelParser, <T9 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2, T3, T4, T5, T6, T7, T8, T9) as UsernameLabelParser>::Error>

impl<T1, T2, T3, T4, T5, T6, T7, T8> UsernameLabelParser for (T1, T2, T3, T4, T5, T6, T7, T8)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T8: UsernameLabelParser, <T8 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2, T3, T4, T5, T6, T7, T8) as UsernameLabelParser>::Error>

impl<T1, T2, T3, T4, T5, T6, T7> UsernameLabelParser for (T1, T2, T3, T4, T5, T6, T7)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2, T3, T4, T5, T6, T7) as UsernameLabelParser>::Error>

impl<T1, T2, T3, T4, T5, T6> UsernameLabelParser for (T1, T2, T3, T4, T5, T6)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2, T3, T4, T5, T6) as UsernameLabelParser>::Error>

impl<T1, T2, T3, T4, T5> UsernameLabelParser for (T1, T2, T3, T4, T5)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2, T3, T4, T5) as UsernameLabelParser>::Error>

impl<T1, T2, T3, T4> UsernameLabelParser for (T1, T2, T3, T4)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2, T3, T4) as UsernameLabelParser>::Error>

impl<T1, T2, T3> UsernameLabelParser for (T1, T2, T3)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2, T3) as UsernameLabelParser>::Error>

impl<T1, T2> UsernameLabelParser for (T1, T2)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1, T2) as UsernameLabelParser>::Error>

impl<T1> UsernameLabelParser for (T1,)

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

fn parse_label(&mut self, label: &str) -> UsernameLabelState

fn build( self, ext: &Extensions, ) -> Result<(), <(T1,) as UsernameLabelParser>::Error>

Implementors

impl UsernameLabelParser for DnsResolveModeUsernameParser

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

impl UsernameLabelParser for ProxyFilterUsernameParser

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

impl UsernameLabelParser for UsernameOpaqueLabelParser

type Error = Infallible

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T8: UsernameLabelParser, <T8 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T9: UsernameLabelParser, <T9 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T10: UsernameLabelParser, <T10 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T11: UsernameLabelParser, <T11 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T12: UsernameLabelParser, <T12 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T8: UsernameLabelParser, <T8 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T9: UsernameLabelParser, <T9 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T10: UsernameLabelParser, <T10 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T11: UsernameLabelParser, <T11 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T8: UsernameLabelParser, <T8 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T9: UsernameLabelParser, <T9 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T10: UsernameLabelParser, <T10 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1, T2, T3, T4, T5, T6, T7, T8, T9> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2, T3, T4, T5, T6, T7, T8, T9)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T8: UsernameLabelParser, <T8 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T9: UsernameLabelParser, <T9 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1, T2, T3, T4, T5, T6, T7, T8> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2, T3, T4, T5, T6, T7, T8)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T8: UsernameLabelParser, <T8 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1, T2, T3, T4, T5, T6, T7> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2, T3, T4, T5, T6, T7)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T7: UsernameLabelParser, <T7 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1, T2, T3, T4, T5, T6> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2, T3, T4, T5, T6)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T6: UsernameLabelParser, <T6 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1, T2, T3, T4, T5> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2, T3, T4, T5)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T5: UsernameLabelParser, <T5 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1, T2, T3, T4> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2, T3, T4)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T4: UsernameLabelParser, <T4 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1, T2, T3> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2, T3)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T3: UsernameLabelParser, <T3 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1, T2> UsernameLabelParser for ExclusiveUsernameParsers<(T1, T2)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>, T2: UsernameLabelParser, <T2 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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

impl<T1> UsernameLabelParser for ExclusiveUsernameParsers<(T1,)>

where T1: UsernameLabelParser, <T1 as UsernameLabelParser>::Error: Into<Box<dyn Error + Send + Sync>>,

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