Struct tokio_fs::Stdin

[+] Show declaration

pub struct Stdin { /* fields omitted */ }

[−] Expand description

A handle to the standard input stream of a process.

The handle implements the AsyncRead trait, but beware that concurrent reads of Stdin must be executed with care.

Created by the stdin function.

Trait Implementations

impl Debug for Stdin

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fn fmt(&self, f: &mut Formatter) -> Result

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Formats the value using the given formatter.

impl Read for Stdin

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fn read(&mut self, buf: &mut [u8]) -> Result<usize>

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Pull some bytes from this source into the specified buffer, returning how many bytes were read.

unsafe fn initializer(&self) -> Initializer

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🔬 This is a nightly-only experimental API. (read_initializer)

Determines if this Reader can work with buffers of uninitialized memory.

fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize, Error>

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Read all bytes until EOF in this source, placing them into buf.

fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>

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Read all bytes until EOF in this source, appending them to buf.

fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>

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Read the exact number of bytes required to fill buf.

fn by_ref(&mut self) -> &mut Self

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Creates a "by reference" adaptor for this instance of Read.

fn bytes(self) -> Bytes<Self>

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Transforms this Read instance to an [Iterator] over its bytes.

fn chars(self) -> Chars<Self>

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Deprecated since 1.27.0

: Use str::from_utf8 instead: https://doc.rust-lang.org/nightly/std/str/struct.Utf8Error.html#examples

🔬 This is a nightly-only experimental API. (io)

the semantics of a partial read/write of where errors happen is currently unclear and may change

Transforms this Read instance to an [Iterator] over [char]s.

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

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Creates an adaptor which will chain this stream with another.

fn take(self, limit: u64) -> Take<Self>

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Creates an adaptor which will read at most limit bytes from it.

impl AsyncRead for Stdin

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unsafe fn prepare_uninitialized_buffer(&self, _: &mut [u8]) -> bool

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Prepares an uninitialized buffer to be safe to pass to read. Returns true if the supplied buffer was zeroed out.

fn poll_read(&mut self, buf: &mut [u8]) -> Result<Async<usize>, Error>

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Attempt to read from the AsyncRead into buf.

fn read_buf<B>(&mut self, buf: &mut B) -> Result<Async<usize>, Error> where     B: BufMut,

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Pull some bytes from this source into the specified Buf, returning how many bytes were read.

fn framed<T>(self, codec: T) -> Framed<Self, T> where     Self: AsyncWrite,     T: Decoder + Encoder,

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Deprecated since 0.1.7

: Use tokio_codec::Decoder::framed instead

Provides a Stream and Sink interface for reading and writing to this Io object, using Decode and Encode to read and write the raw data.

fn split(self) -> (ReadHalf<Self>, WriteHalf<Self>) where     Self: AsyncWrite,

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Helper method for splitting this read/write object into two halves.