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,

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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
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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§

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

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

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

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

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

Blanket Implementations§

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

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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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, 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<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<S, T, E> TryStream for S
where S: Stream<Item = 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_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 St
where 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