Struct snafu::futures::try_stream::WithContext

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pub struct WithContext<St, F, E> { /* private fields */ }

Expand description

Stream for the with_context combinator.

See the TryStreamExt::with_context method for more details.

Trait Implementations

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impl<St: Debug, F: Debug, E: Debug> Debug for WithContext<St, F, E>

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

Formats the value using the given formatter. Read more

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impl<St, F, C, E> Stream for WithContext<St, F, E>where
 St: TryStream,
 F: FnMut(&mut St::Error) -> C,
 C: IntoError<E, Source = St::Error>,
 E: Error + ErrorCompat,

type Item = Result<<St as TryStream>::Ok, E>

Values yielded by the stream.

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fn poll_next(
self: Pin<&mut Self>,
ctx: &mut TaskContext<'_>
) -> Poll<Option<Self::Item>>

Attempt to pull out the next value of this stream, registering the current task for wakeup if the value is not yet available, and returning None if the stream is exhausted. Read more

fn size_hint(&self) -> (usize, Option<usize>)

Returns the bounds on the remaining length of the stream. Read more

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impl<'pin, St, F, E> Unpin for WithContext<St, F, E>where
__WithContext<'pin, St, F, E>: Unpin,

Auto Trait Implementations

impl<St, F, E> RefUnwindSafe for WithContext<St, F, E>where
 E: RefUnwindSafe,
 F: RefUnwindSafe,
 St: RefUnwindSafe,

impl<St, F, E> Send for WithContext<St, F, E>where
 E: Send,
 F: Send,
 St: Send,

impl<St, F, E> Sync for WithContext<St, F, E>where
 E: Sync,
 F: Sync,
 St: Sync,

impl<St, F, E> UnwindSafe for WithContext<St, F, E>where
 E: UnwindSafe,
 F: UnwindSafe,
 St: UnwindSafe,

Blanket Implementations

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impl<T> Any for Twhere
T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

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, U> TryFrom for Twhere
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for Twhere
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<S, T, E> TryStream for Swhere
S: Stream<Item = Result<T, E>> + ?Sized,

type Ok = T

The type of successful values yielded by this future

type Error = E

The type of failures yielded by this future

fn try_poll_next(
self: Pin<&mut S>,
cx: &mut Context<'_>
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

Poll this TryStream as if it were a Stream. Read more

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impl<St> TryStreamExt for Stwhere
St: TryStream,

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fn context<C, E>(self, context: C) -> Context<St, C, E>where
C: IntoError<E, Source = <St as TryStream>::Error> + Clone,
E: Error + ErrorCompat,

Extend a [TryStream]’s error with additional context-sensitive information. Read more

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fn with_context<F, C, E>(self, context: F) -> WithContext<St, F, E>where
 F: FnMut(&mut <St as TryStream>::Error) -> C,
 C: IntoError<E, Source = <St as TryStream>::Error>,
 E: Error + ErrorCompat,

Extend a [TryStream]’s error with lazily-generated context-sensitive information. Read more

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fn whatever_context<S, E>(self, context: S) -> WhateverContext<St, S, E>where
S: Into<String>,
E: FromString,

Extend a [TryStream]’s error with information from a string. Read more

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fn with_whatever_context<F, S, E>(
 self,
 context: F
) -> WithWhateverContext<St, F, E>where
 F: FnMut(&mut <St as TryStream>::Error) -> S,
 S: Into<String>,
 E: FromString,

Extend a [TryStream]’s error with information from a lazily-generated string. Read more

Struct snafu::futures::try_stream::WithContext

Trait Implementations

impl<St: Debug, F: Debug, E: Debug> Debug for WithContext<St, F, E>

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

impl<St, F, C, E> Stream for WithContext<St, F, E>where
    St: TryStream,
    F: FnMut(&mut St::Error) -> C,
    C: IntoError<E, Source = St::Error>,
    E: Error + ErrorCompat,

type Item = Result<<St as TryStream>::Ok, E>

fn poll_next(
self: Pin<&mut Self>,
ctx: &mut TaskContext<'_>
) -> Poll<Option<Self::Item>>

fn size_hint(&self) -> (usize, Option<usize>)

impl<'pin, St, F, E> Unpin for WithContext<St, F, E>where
__WithContext<'pin, St, F, E>: Unpin,

Auto Trait Implementations

impl<St, F, E> RefUnwindSafe for WithContext<St, F, E>where
    E: RefUnwindSafe,
    F: RefUnwindSafe,
    St: RefUnwindSafe,

impl<St, F, E> Send for WithContext<St, F, E>where
    E: Send,
    F: Send,
    St: Send,

impl<St, F, E> Sync for WithContext<St, F, E>where
    E: Sync,
    F: Sync,
    St: Sync,

impl<St, F, E> UnwindSafe for WithContext<St, F, E>where
    E: UnwindSafe,
    F: UnwindSafe,
    St: UnwindSafe,

Blanket Implementations

impl<T> Any for Twhere
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere
T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere
U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<S, T, E> TryStream for Swhere
S: Stream<Item = Result<T, E>> + ?Sized,

type Ok = T

type Error = E

fn try_poll_next(
self: Pin<&mut S>,
cx: &mut Context<'_>
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

impl<St> TryStreamExt for Stwhere
St: TryStream,

fn context<C, E>(self, context: C) -> Context<St, C, E>where
C: IntoError<E, Source = <St as TryStream>::Error> + Clone,
E: Error + ErrorCompat,

fn with_context<F, C, E>(self, context: F) -> WithContext<St, F, E>where
    F: FnMut(&mut <St as TryStream>::Error) -> C,
    C: IntoError<E, Source = <St as TryStream>::Error>,
    E: Error + ErrorCompat,

fn whatever_context<S, E>(self, context: S) -> WhateverContext<St, S, E>where
S: Into<String>,
E: FromString,

fn with_whatever_context<F, S, E>(
    self,
    context: F
) -> WithWhateverContext<St, F, E>where
    F: FnMut(&mut <St as TryStream>::Error) -> S,
    S: Into<String>,
    E: FromString,

Struct snafu::futures::try_stream::WithContext

Trait Implementations

impl<St: Debug, F: Debug, E: Debug> Debug for WithContext<St, F, E>

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

impl<St, F, C, E> Stream for WithContext<St, F, E>where St: TryStream, F: FnMut(&mut St::Error) -> C, C: IntoError<E, Source = St::Error>, E: Error + ErrorCompat,

type Item = Result<<St as TryStream>::Ok, E>

fn poll_next( self: Pin<&mut Self>, ctx: &mut TaskContext<'_>) -> Poll<Option<Self::Item>>

fn size_hint(&self) -> (usize, Option<usize>)

impl<'pin, St, F, E> Unpin for WithContext<St, F, E>where __WithContext<'pin, St, F, E>: Unpin,

Auto Trait Implementations

impl<St, F, E> RefUnwindSafe for WithContext<St, F, E>where E: RefUnwindSafe, F: RefUnwindSafe, St: RefUnwindSafe,

impl<St, F, E> Send for WithContext<St, F, E>where E: Send, F: Send, St: Send,

impl<St, F, E> Sync for WithContext<St, F, E>where E: Sync, F: Sync, St: Sync,

impl<St, F, E> UnwindSafe for WithContext<St, F, E>where E: UnwindSafe, F: UnwindSafe, St: UnwindSafe,

Blanket Implementations

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<S, T, E> TryStream for Swhere S: Stream<Item = Result<T, E>> + ?Sized,

type Ok = T

type Error = E

fn try_poll_next( self: Pin<&mut S>, cx: &mut Context<'_>) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

impl<St> TryStreamExt for Stwhere St: TryStream,

fn context<C, E>(self, context: C) -> Context<St, C, E>where C: IntoError<E, Source = <St as TryStream>::Error> + Clone, E: Error + ErrorCompat,

fn with_context<F, C, E>(self, context: F) -> WithContext<St, F, E>where F: FnMut(&mut <St as TryStream>::Error) -> C, C: IntoError<E, Source = <St as TryStream>::Error>, E: Error + ErrorCompat,

fn whatever_context<S, E>(self, context: S) -> WhateverContext<St, S, E>where S: Into<String>, E: FromString,

fn with_whatever_context<F, S, E>( self, context: F) -> WithWhateverContext<St, F, E>where F: FnMut(&mut <St as TryStream>::Error) -> S, S: Into<String>, E: FromString,

impl<St, F, C, E> Stream for WithContext<St, F, E>where
St: TryStream,
F: FnMut(&mut St::Error) -> C,
C: IntoError<E, Source = St::Error>,
E: Error + ErrorCompat,

fn poll_next(
self: Pin<&mut Self>,
ctx: &mut TaskContext<'_>
) -> Poll<Option<Self::Item>>

impl<'pin, St, F, E> Unpin for WithContext<St, F, E>where
__WithContext<'pin, St, F, E>: Unpin,

impl<St, F, E> RefUnwindSafe for WithContext<St, F, E>where
E: RefUnwindSafe,
F: RefUnwindSafe,
St: RefUnwindSafe,

impl<St, F, E> Send for WithContext<St, F, E>where
E: Send,
F: Send,
St: Send,

impl<St, F, E> Sync for WithContext<St, F, E>where
E: Sync,
F: Sync,
St: Sync,

impl<St, F, E> UnwindSafe for WithContext<St, F, E>where
E: UnwindSafe,
F: UnwindSafe,
St: UnwindSafe,

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,

impl<T, U> Into<U> for Twhere
U: From<T>,

impl<T, U> TryFrom<U> for Twhere
U: Into<T>,

impl<T, U> TryInto<U> for Twhere
U: TryFrom<T>,

impl<S, T, E> TryStream for Swhere
S: Stream<Item = Result<T, E>> + ?Sized,

fn try_poll_next(
self: Pin<&mut S>,
cx: &mut Context<'_>
) -> Poll<Option<Result<<S as TryStream>::Ok, <S as TryStream>::Error>>>

impl<St> TryStreamExt for Stwhere
St: TryStream,

fn context<C, E>(self, context: C) -> Context<St, C, E>where
C: IntoError<E, Source = <St as TryStream>::Error> + Clone,
E: Error + ErrorCompat,

fn with_context<F, C, E>(self, context: F) -> WithContext<St, F, E>where
F: FnMut(&mut <St as TryStream>::Error) -> C,
C: IntoError<E, Source = <St as TryStream>::Error>,
E: Error + ErrorCompat,

fn whatever_context<S, E>(self, context: S) -> WhateverContext<St, S, E>where
S: Into<String>,
E: FromString,

fn with_whatever_context<F, S, E>(
self,
context: F
) -> WithWhateverContext<St, F, E>where
F: FnMut(&mut <St as TryStream>::Error) -> S,
S: Into<String>,
E: FromString,