Struct tokio_util::io::CopyToBytes

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pub struct CopyToBytes<S> { /* private fields */ }
Expand description

A helper that wraps a Sink<Bytes> and converts it into a Sink<&'a [u8]> by copying each byte slice into an owned Bytes.

See the documentation for SinkWriter for an example.

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impl<S> CopyToBytes<S>

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pub fn new(inner: S) -> Self

Creates a new CopyToBytes.

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pub fn get_ref(&self) -> &S

Gets a reference to the underlying sink.

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pub fn get_mut(&mut self) -> &mut S

Gets a mutable reference to the underlying sink.

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pub fn into_inner(self) -> S

Consumes this CopyToBytes, returning the underlying sink.

Trait Implementations§

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impl<S: Debug> Debug for CopyToBytes<S>

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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<'a, S> Sink<&'a [u8]> for CopyToBytes<S>
where S: Sink<Bytes>,

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type Error = <S as Sink<Bytes>>::Error

The type of value produced by the sink when an error occurs.
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fn poll_ready( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Result<(), Self::Error>>

Attempts to prepare the Sink to receive a value. Read more
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fn start_send(self: Pin<&mut Self>, item: &'a [u8]) -> Result<(), Self::Error>

Begin the process of sending a value to the sink. Each call to this function must be preceded by a successful call to poll_ready which returned Poll::Ready(Ok(())). Read more
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fn poll_flush( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Result<(), Self::Error>>

Flush any remaining output from this sink. Read more
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fn poll_close( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> Poll<Result<(), Self::Error>>

Flush any remaining output and close this sink, if necessary. Read more
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impl<S: Stream> Stream for CopyToBytes<S>

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type Item = <S as Stream>::Item

Values yielded by the stream.
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fn poll_next( self: Pin<&mut Self>, cx: &mut Context<'_>, ) -> 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, S> Unpin for CopyToBytes<S>
where __Origin<'__pin, S>: Unpin,

Auto Trait Implementations§

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impl<S> Freeze for CopyToBytes<S>
where S: Freeze,

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impl<S> RefUnwindSafe for CopyToBytes<S>
where S: RefUnwindSafe,

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impl<S> Send for CopyToBytes<S>
where S: Send,

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impl<S> Sync for CopyToBytes<S>
where S: Sync,

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impl<S> UnwindSafe for CopyToBytes<S>
where S: 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