Struct futures_util::io::AllowStdIo [−][src]
A simple wrapper type which allows types which implement only
implement std::io::Read
or std::io::Write
to be used in contexts which expect an AsyncRead
or AsyncWrite
.
If these types issue an error with the kind io::ErrorKind::WouldBlock
,
it is expected that they will notify the current task on readiness.
Synchronous std
types should not issue errors of this kind and
are safe to use in this context. However, using these types with
AllowStdIo
will cause the event loop to block, so they should be used
with care.
Implementations
impl<T> AllowStdIo<T>
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pub fn new(io: T) -> Self
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Creates a new AllowStdIo
from an existing IO object.
pub fn get_ref(&self) -> &T
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Returns a reference to the contained IO object.
pub fn get_mut(&mut self) -> &mut T
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Returns a mutable reference to the contained IO object.
pub fn into_inner(self) -> T
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Consumes self and returns the contained IO object.
Trait Implementations
impl<T> AsyncBufRead for AllowStdIo<T> where
T: BufRead,
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T: BufRead,
fn poll_fill_buf(
self: Pin<&mut Self>,
_: &mut Context<'_>
) -> Poll<Result<&[u8]>>
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self: Pin<&mut Self>,
_: &mut Context<'_>
) -> Poll<Result<&[u8]>>
fn consume(self: Pin<&mut Self>, amt: usize)
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impl<T> AsyncRead for AllowStdIo<T> where
T: Read,
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T: Read,
fn poll_read(
self: Pin<&mut Self>,
_: &mut Context<'_>,
buf: &mut [u8]
) -> Poll<Result<usize>>
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self: Pin<&mut Self>,
_: &mut Context<'_>,
buf: &mut [u8]
) -> Poll<Result<usize>>
fn poll_read_vectored(
self: Pin<&mut Self>,
_: &mut Context<'_>,
bufs: &mut [IoSliceMut<'_>]
) -> Poll<Result<usize>>
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self: Pin<&mut Self>,
_: &mut Context<'_>,
bufs: &mut [IoSliceMut<'_>]
) -> Poll<Result<usize>>
impl<T> AsyncSeek for AllowStdIo<T> where
T: Seek,
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T: Seek,
impl<T> AsyncWrite for AllowStdIo<T> where
T: Write,
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T: Write,
fn poll_write(
self: Pin<&mut Self>,
_: &mut Context<'_>,
buf: &[u8]
) -> Poll<Result<usize>>
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self: Pin<&mut Self>,
_: &mut Context<'_>,
buf: &[u8]
) -> Poll<Result<usize>>
fn poll_write_vectored(
self: Pin<&mut Self>,
_: &mut Context<'_>,
bufs: &[IoSlice<'_>]
) -> Poll<Result<usize>>
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self: Pin<&mut Self>,
_: &mut Context<'_>,
bufs: &[IoSlice<'_>]
) -> Poll<Result<usize>>
fn poll_flush(self: Pin<&mut Self>, _: &mut Context<'_>) -> Poll<Result<()>>
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fn poll_close(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Result<()>>
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impl<T> BufRead for AllowStdIo<T> where
T: BufRead,
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T: BufRead,
fn fill_buf(&mut self) -> Result<&[u8]>
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fn consume(&mut self, amt: usize)
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pub fn read_until(
&mut self,
byte: u8,
buf: &mut Vec<u8, Global>
) -> Result<usize, Error>
1.0.0[src]
&mut self,
byte: u8,
buf: &mut Vec<u8, Global>
) -> Result<usize, Error>
pub fn read_line(&mut self, buf: &mut String) -> Result<usize, Error>
1.0.0[src]
pub fn split(self, byte: u8) -> Split<Self>
1.0.0[src]
pub fn lines(self) -> Lines<Self>
1.0.0[src]
impl<T: Clone> Clone for AllowStdIo<T>
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fn clone(&self) -> AllowStdIo<T>ⓘNotable traits for AllowStdIo<T>
impl<T> Read for AllowStdIo<T> where
T: Read, impl<T> Write for AllowStdIo<T> where
T: Write,
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Notable traits for AllowStdIo<T>
impl<T> Read for AllowStdIo<T> where
T: Read, impl<T> Write for AllowStdIo<T> where
T: Write,
pub fn clone_from(&mut self, source: &Self)
1.0.0[src]
impl<T: Copy> Copy for AllowStdIo<T>
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impl<T: Debug> Debug for AllowStdIo<T>
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impl<T: Eq> Eq for AllowStdIo<T>
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impl<T: Hash> Hash for AllowStdIo<T>
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fn hash<__H: Hasher>(&self, state: &mut __H)
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pub fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
1.3.0[src]
H: Hasher,
impl<T: Ord> Ord for AllowStdIo<T>
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fn cmp(&self, other: &AllowStdIo<T>) -> Ordering
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#[must_use]pub fn max(self, other: Self) -> Self
1.21.0[src]
#[must_use]pub fn min(self, other: Self) -> Self
1.21.0[src]
#[must_use]pub fn clamp(self, min: Self, max: Self) -> Self
1.50.0[src]
impl<T: PartialEq> PartialEq<AllowStdIo<T>> for AllowStdIo<T>
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fn eq(&self, other: &AllowStdIo<T>) -> bool
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fn ne(&self, other: &AllowStdIo<T>) -> bool
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impl<T: PartialOrd> PartialOrd<AllowStdIo<T>> for AllowStdIo<T>
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fn partial_cmp(&self, other: &AllowStdIo<T>) -> Option<Ordering>
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#[must_use]pub fn lt(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn le(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn gt(&self, other: &Rhs) -> bool
1.0.0[src]
#[must_use]pub fn ge(&self, other: &Rhs) -> bool
1.0.0[src]
impl<T> Read for AllowStdIo<T> where
T: Read,
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T: Read,
fn read(&mut self, buf: &mut [u8]) -> Result<usize>
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fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize>
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fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize>
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fn read_to_string(&mut self, buf: &mut String) -> Result<usize>
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fn read_exact(&mut self, buf: &mut [u8]) -> Result<()>
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pub fn is_read_vectored(&self) -> bool
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pub unsafe fn initializer(&self) -> Initializer
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pub fn by_ref(&mut self) -> &mut Self
1.0.0[src]
pub fn bytes(self) -> Bytes<Self>
1.0.0[src]
pub fn chain<R>(self, next: R) -> Chain<Self, R> where
R: Read,
1.0.0[src]
R: Read,
pub fn take(self, limit: u64) -> Take<Self>
1.0.0[src]
impl<T> Seek for AllowStdIo<T> where
T: Seek,
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T: Seek,
fn seek(&mut self, pos: SeekFrom) -> Result<u64>
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pub fn stream_len(&mut self) -> Result<u64, Error>
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pub fn stream_position(&mut self) -> Result<u64, Error>
1.51.0[src]
impl<T> StructuralEq for AllowStdIo<T>
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impl<T> StructuralPartialEq for AllowStdIo<T>
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impl<T> Unpin for AllowStdIo<T>
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impl<T> Write for AllowStdIo<T> where
T: Write,
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T: Write,
fn write(&mut self, buf: &[u8]) -> Result<usize>
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fn write_vectored(&mut self, bufs: &[IoSlice<'_>]) -> Result<usize>
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fn flush(&mut self) -> Result<()>
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fn write_all(&mut self, buf: &[u8]) -> Result<()>
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fn write_fmt(&mut self, fmt: Arguments<'_>) -> Result<()>
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pub fn is_write_vectored(&self) -> bool
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pub fn write_all_vectored(
&mut self,
bufs: &mut [IoSlice<'_>]
) -> Result<(), Error>
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&mut self,
bufs: &mut [IoSlice<'_>]
) -> Result<(), Error>
pub fn by_ref(&mut self) -> &mut Self
1.0.0[src]
Auto Trait Implementations
impl<T> RefUnwindSafe for AllowStdIo<T> where
T: RefUnwindSafe,
T: RefUnwindSafe,
impl<T> Send for AllowStdIo<T> where
T: Send,
T: Send,
impl<T> Sync for AllowStdIo<T> where
T: Sync,
T: Sync,
impl<T> UnwindSafe for AllowStdIo<T> where
T: UnwindSafe,
T: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<R> AsyncBufReadExt for R where
R: AsyncBufRead + ?Sized,
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R: AsyncBufRead + ?Sized,
fn fill_buf(&mut self) -> FillBuf<'_, Self>ⓘ where
Self: Unpin,
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Self: Unpin,
fn consume_unpin(&mut self, amt: usize) where
Self: Unpin,
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Self: Unpin,
fn read_until<'a>(
&'a mut self,
byte: u8,
buf: &'a mut Vec<u8>
) -> ReadUntil<'a, Self>ⓘ where
Self: Unpin,
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&'a mut self,
byte: u8,
buf: &'a mut Vec<u8>
) -> ReadUntil<'a, Self>ⓘ where
Self: Unpin,
fn read_line<'a>(&'a mut self, buf: &'a mut String) -> ReadLine<'a, Self>ⓘ where
Self: Unpin,
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Self: Unpin,
fn lines(self) -> Lines<Self> where
Self: Sized,
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Self: Sized,
impl<R> AsyncReadExt for R where
R: AsyncRead + ?Sized,
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R: AsyncRead + ?Sized,
fn chain<R>(self, next: R) -> Chain<Self, R> where
Self: Sized,
R: AsyncRead,
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Self: Sized,
R: AsyncRead,
fn read<'a>(&'a mut self, buf: &'a mut [u8]) -> Read<'a, Self>ⓘ where
Self: Unpin,
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Self: Unpin,
fn read_vectored<'a>(
&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectored<'a, Self>ⓘNotable traits for ReadVectored<'_, R>
impl<R: AsyncRead + ?Sized + Unpin> Future for ReadVectored<'_, R> type Output = Result<usize>;
where
Self: Unpin,
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&'a mut self,
bufs: &'a mut [IoSliceMut<'a>]
) -> ReadVectored<'a, Self>ⓘ
Notable traits for ReadVectored<'_, R>
impl<R: AsyncRead + ?Sized + Unpin> Future for ReadVectored<'_, R> type Output = Result<usize>;
Self: Unpin,
fn read_exact<'a>(&'a mut self, buf: &'a mut [u8]) -> ReadExact<'a, Self>ⓘ where
Self: Unpin,
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Self: Unpin,
fn read_to_end<'a>(&'a mut self, buf: &'a mut Vec<u8>) -> ReadToEnd<'a, Self>ⓘ where
Self: Unpin,
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Self: Unpin,
fn read_to_string<'a>(
&'a mut self,
buf: &'a mut String
) -> ReadToString<'a, Self>ⓘNotable traits for ReadToString<'_, A>
impl<A: ?Sized> Future for ReadToString<'_, A> where
A: AsyncRead + Unpin, type Output = Result<usize>;
where
Self: Unpin,
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&'a mut self,
buf: &'a mut String
) -> ReadToString<'a, Self>ⓘ
Notable traits for ReadToString<'_, A>
impl<A: ?Sized> Future for ReadToString<'_, A> where
A: AsyncRead + Unpin, type Output = Result<usize>;
Self: Unpin,
fn split(self) -> (ReadHalf<Self>, WriteHalf<Self>) where
Self: AsyncWrite + Sized,
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Self: AsyncWrite + Sized,
fn take(self, limit: u64) -> Take<Self> where
Self: Sized,
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Self: Sized,
impl<S> AsyncSeekExt for S where
S: AsyncSeek + ?Sized,
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S: AsyncSeek + ?Sized,
impl<W> AsyncWriteExt for W where
W: AsyncWrite + ?Sized,
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W: AsyncWrite + ?Sized,
fn flush(&mut self) -> Flush<'_, Self>ⓘ where
Self: Unpin,
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Self: Unpin,
fn close(&mut self) -> Close<'_, Self>ⓘ where
Self: Unpin,
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Self: Unpin,
fn write<'a>(&'a mut self, buf: &'a [u8]) -> Write<'a, Self>ⓘ where
Self: Unpin,
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Self: Unpin,
fn write_vectored<'a>(
&'a mut self,
bufs: &'a [IoSlice<'a>]
) -> WriteVectored<'a, Self>ⓘNotable traits for WriteVectored<'_, W>
impl<W: AsyncWrite + ?Sized + Unpin> Future for WriteVectored<'_, W> type Output = Result<usize>;
where
Self: Unpin,
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&'a mut self,
bufs: &'a [IoSlice<'a>]
) -> WriteVectored<'a, Self>ⓘ
Notable traits for WriteVectored<'_, W>
impl<W: AsyncWrite + ?Sized + Unpin> Future for WriteVectored<'_, W> type Output = Result<usize>;
Self: Unpin,
fn write_all<'a>(&'a mut self, buf: &'a [u8]) -> WriteAll<'a, Self>ⓘ where
Self: Unpin,
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Self: Unpin,
fn into_sink<Item: AsRef<[u8]>>(self) -> IntoSink<Self, Item> where
Self: Sized,
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Self: Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,