WasiStderr

wasi_process2

Struct WasiStderr 

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pub struct WasiStderr { /* private fields */ }
Expand description

An AsyncRead type representing a wasi stderr stream.

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impl AsyncRead for WasiStderr

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

Attempts to read from the AsyncRead into buf. Read more

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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> ArchivePointee for T

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type ArchivedMetadata = ()

The archived version of the pointer metadata for this type.
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fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata

Converts some archived metadata to the pointer metadata for itself.
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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,

Creates 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,

Pulls 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: Unpin, B: BufMut + ?Sized,

Pulls 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,

Reads the exact number of bytes required to fill buf. Read more
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fn read_u8(&mut self) -> ReadU8<&mut Self>
where Self: Unpin,

Reads an unsigned 8 bit integer from the underlying reader. Read more
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fn read_i8(&mut self) -> ReadI8<&mut Self>
where Self: Unpin,

Reads a signed 8 bit integer from the underlying reader. Read more
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fn read_u16(&mut self) -> ReadU16<&mut Self>
where Self: Unpin,

Reads an unsigned 16-bit integer in big-endian order from the underlying reader. Read more
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fn read_i16(&mut self) -> ReadI16<&mut Self>
where Self: Unpin,

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

Reads an unsigned 32-bit integer in big-endian order from the underlying reader. Read more
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fn read_i32(&mut self) -> ReadI32<&mut Self>
where Self: Unpin,

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

Reads an unsigned 64-bit integer in big-endian order from the underlying reader. Read more
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fn read_i64(&mut self) -> ReadI64<&mut Self>
where Self: Unpin,

Reads an signed 64-bit integer in big-endian order from the underlying reader. Read more
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fn read_u128(&mut self) -> ReadU128<&mut Self>
where Self: Unpin,

Reads an unsigned 128-bit integer in big-endian order from the underlying reader. Read more
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fn read_i128(&mut self) -> ReadI128<&mut Self>
where Self: Unpin,

Reads an signed 128-bit integer in big-endian order from the underlying reader. Read more
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fn read_f32(&mut self) -> ReadF32<&mut Self>
where Self: Unpin,

Reads an 32-bit floating point type in big-endian order from the underlying reader. Read more
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fn read_f64(&mut self) -> ReadF64<&mut Self>
where Self: Unpin,

Reads an 64-bit floating point type in big-endian order from the underlying reader. Read more
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fn read_u16_le(&mut self) -> ReadU16Le<&mut Self>
where Self: Unpin,

Reads an unsigned 16-bit integer in little-endian order from the underlying reader. Read more
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fn read_i16_le(&mut self) -> ReadI16Le<&mut Self>
where Self: Unpin,

Reads a signed 16-bit integer in little-endian order from the underlying reader. Read more
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fn read_u32_le(&mut self) -> ReadU32Le<&mut Self>
where Self: Unpin,

Reads an unsigned 32-bit integer in little-endian order from the underlying reader. Read more
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fn read_i32_le(&mut self) -> ReadI32Le<&mut Self>
where Self: Unpin,

Reads a signed 32-bit integer in little-endian order from the underlying reader. Read more
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fn read_u64_le(&mut self) -> ReadU64Le<&mut Self>
where Self: Unpin,

Reads an unsigned 64-bit integer in little-endian order from the underlying reader. Read more
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fn read_i64_le(&mut self) -> ReadI64Le<&mut Self>
where Self: Unpin,

Reads an signed 64-bit integer in little-endian order from the underlying reader. Read more
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fn read_u128_le(&mut self) -> ReadU128Le<&mut Self>
where Self: Unpin,

Reads an unsigned 128-bit integer in little-endian order from the underlying reader. Read more
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fn read_i128_le(&mut self) -> ReadI128Le<&mut Self>
where Self: Unpin,

Reads an signed 128-bit integer in little-endian order from the underlying reader. Read more
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fn read_f32_le(&mut self) -> ReadF32Le<&mut Self>
where Self: Unpin,

Reads an 32-bit floating point type in little-endian order from the underlying reader. Read more
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fn read_f64_le(&mut self) -> ReadF64Le<&mut Self>
where Self: Unpin,

Reads an 64-bit floating point type in little-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,

Reads 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,

Reads 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,

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<F, W, T, D> Deserialize<With<T, W>, D> for F
where W: DeserializeWith<F, T, D>, D: Fallible + ?Sized, F: ?Sized,

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fn deserialize( &self, deserializer: &mut D, ) -> Result<With<T, W>, <D as Fallible>::Error>

Deserializes using the given deserializer
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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Pointee for T

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type Metadata = ()

The type for metadata in pointers and references to Self.
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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<T> Upcastable for T
where T: Any + Send + Sync + 'static,

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fn upcast_any_ref(&self) -> &(dyn Any + 'static)

upcast ref
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fn upcast_any_mut(&mut self) -> &mut (dyn Any + 'static)

upcast mut ref
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fn upcast_any_box(self: Box<T>) -> Box<dyn Any>

upcast boxed dyn
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more