broker_tokio::io

Struct ReadHalf

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pub struct ReadHalf<T> { /* private fields */ }
Available on crate feature io-util only.
Expand description

The readable half of a value returned from split.

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impl<T> ReadHalf<T>

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pub fn is_pair_of(&self, other: &WriteHalf<T>) -> bool

Check if this ReadHalf and some WriteHalf were split from the same stream.

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pub fn unsplit(self, wr: WriteHalf<T>) -> T

Reunite with a previously split WriteHalf.

§Panics

If this ReadHalf and the given WriteHalf do not originate from the same split operation this method will panic. This can be checked ahead of time by comparing the stream ID of the two halves.

Trait Implementations§

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impl<T: AsyncRead> AsyncRead for ReadHalf<T>

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fn poll_read( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut [u8], ) -> Poll<Result<usize>>

Attempt to read from the AsyncRead into buf. Read more
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fn poll_read_buf<B: BufMut>( self: Pin<&mut Self>, cx: &mut Context<'_>, buf: &mut B, ) -> Poll<Result<usize>>

Pull some bytes from this source into the specified BufMut, returning how many bytes were read. Read more
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unsafe fn prepare_uninitialized_buffer( &self, buf: &mut [MaybeUninit<u8>], ) -> bool

Prepares an uninitialized buffer to be safe to pass to read. Returns true if the supplied buffer was zeroed out. Read more
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impl<T: Debug> Debug for ReadHalf<T>

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

Formats the value using the given formatter. Read more
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impl<T: Send> Send for ReadHalf<T>

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impl<T: Sync> Sync for ReadHalf<T>

Auto Trait Implementations§

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impl<T> Freeze for ReadHalf<T>

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impl<T> !RefUnwindSafe for ReadHalf<T>

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impl<T> Unpin for ReadHalf<T>

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impl<T> !UnwindSafe for ReadHalf<T>

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<R> AsyncReadExt for R
where R: AsyncRead + ?Sized,

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fn chain<R>(self, next: R) -> Chain<Self, R>
where Self: Sized, R: AsyncRead,

Available on crate feature io-util only.
Create a new AsyncRead instance that chains this stream with next. Read more
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fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>
where Self: Unpin,

Available on crate feature io-util only.
Pull some bytes from this source into the specified buffer, returning how many bytes were read. Read more
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fn read_buf<'a, B>(&'a mut self, buf: &'a mut B) -> ReadBuf<'a, Self, B>
where Self: Sized, B: BufMut,

Available on crate feature io-util only.
Pull some bytes from this source into the specified buffer, advancing the buffer’s internal cursor. Read more
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fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self>
where Self: Unpin,

Available on crate feature io-util only.
Read the exact number of bytes required to fill buf. Read more
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fn read_u8<'a>(&'a mut self) -> ReadU8<&'a mut Self>
where Self: Unpin,

Available on crate feature io-util only.
Reads an unsigned 8 bit integer from the underlying reader. Read more
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fn read_i8<'a>(&'a mut self) -> ReadI8<&'a mut Self>
where Self: Unpin,

Available on crate feature io-util only.
Reads a signed 8 bit integer from the underlying reader. Read more
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fn read_u16<'a>(&'a mut self) -> ReadU16<&'a mut Self>
where Self: Unpin,

Available on crate feature io-util only.
Reads an unsigned 16-bit integer in big-endian order from the underlying reader. Read more
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fn read_i16<'a>(&'a mut self) -> ReadI16<&'a mut Self>
where Self: Unpin,

Available on crate feature io-util only.
Reads a signed 16-bit integer in big-endian order from the underlying reader. Read more
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fn read_u32<'a>(&'a mut self) -> ReadU32<&'a mut Self>
where Self: Unpin,

Available on crate feature io-util only.
Reads an unsigned 32-bit integer in big-endian order from the underlying reader. Read more
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fn read_i32<'a>(&'a mut self) -> ReadI32<&'a mut Self>
where Self: Unpin,

Available on crate feature io-util only.
Reads a signed 32-bit integer in big-endian order from the underlying reader. Read more
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fn read_u64<'a>(&'a mut self) -> ReadU64<&'a mut Self>
where Self: Unpin,

Available on crate feature io-util only.
Reads an unsigned 64-bit integer in big-endian order from the underlying reader. Read more
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fn read_i64<'a>(&'a mut self) -> ReadI64<&'a mut Self>
where Self: Unpin,

Available on crate feature io-util only.
Reads an signed 64-bit integer in big-endian order from the underlying reader. Read more
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fn read_u128<'a>(&'a mut self) -> ReadU128<&'a mut Self>
where Self: Unpin,

Available on crate feature io-util only.
Reads an unsigned 128-bit integer in big-endian order from the underlying reader. Read more
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fn read_i128<'a>(&'a mut self) -> ReadI128<&'a mut Self>
where Self: Unpin,

Available on crate feature io-util only.
Reads an signed 128-bit integer in big-endian order from the underlying reader. Read more
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fn read_to_end<'a>(&'a mut self, buf: &'a mut Vec<u8>) -> ReadToEnd<'a, Self>
where Self: Unpin,

Available on crate feature io-util only.
Read all bytes until EOF in this source, placing them into buf. Read more
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fn read_to_string<'a>( &'a mut self, dst: &'a mut String, ) -> ReadToString<'a, Self>
where Self: Unpin,

Available on crate feature io-util only.
Read all bytes until EOF in this source, appending them to buf. Read more
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fn take(self, limit: u64) -> Take<Self>
where Self: Sized,

Available on crate feature io-util only.
Creates an adaptor which reads at most limit bytes from it. 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.