Module futures_lite::io[−][src]

Tools and combinators for I/O.

Examples

use futures_lite::io::{self, AsyncReadExt};

let input: &[u8] = b"hello";
let mut reader = io::BufReader::new(input);

let mut contents = String::new();
reader.read_to_string(&mut contents).await?;

Re-exports

pub use std::io::Error;

pub use std::io::ErrorKind;

pub use std::io::Result;

pub use std::io::SeekFrom;

pub use futures_io::AsyncBufRead;

pub use futures_io::AsyncRead;

pub use futures_io::AsyncSeek;

pub use futures_io::AsyncWrite;

Structs

AssertAsync	Asserts that a type implementing `std::io` traits can be used as an async type.
BlockOn	Blocks on all async I/O operations and implements `std::io` traits.
BufReader	Adds buffering to a reader.
BufWriter	Adds buffering to a writer.
Bytes	Reader for the `AsyncReadExt::bytes()` method.
Chain	Reader for the `AsyncReadExt::chain()` method.
CloseFuture	Future for the `AsyncWriteExt::close()` method.
Cursor	Gives an in-memory buffer a cursor for reading and writing.
Empty	Reader for the `empty()` function.
FillBuf	Future for the `AsyncBufReadExt::fill_buf()` method.
FlushFuture	Future for the `AsyncWriteExt::flush()` method.
Lines	Stream for the `AsyncBufReadExt::lines()` method.
ReadExactFuture	Future for the `AsyncReadExt::read_exact()` method.
ReadFuture	Future for the `AsyncReadExt::read()` method.
ReadHalf	The read half returned by `split()`.
ReadLineFuture	Future for the `AsyncBufReadExt::read_line()` method.
ReadToEndFuture	Future for the `AsyncReadExt::read_to_end()` method.
ReadToStringFuture	Future for the `AsyncReadExt::read_to_string()` method.
ReadUntilFuture	Future for the `AsyncBufReadExt::read_until()` method.
ReadVectoredFuture	Future for the `AsyncReadExt::read_vectored()` method.
Repeat	Reader for the `repeat()` function.
SeekFuture	Future for the `AsyncSeekExt::seek()` method.
Sink	Writer for the `sink()` function.
Split	Stream for the `AsyncBufReadExt::split()` method.
Take	Reader for the `AsyncReadExt::take()` method.
WriteAllFuture	Future for the `AsyncWriteExt::write_all()` method.
WriteFuture	Future for the `AsyncWriteExt::write()` method.
WriteHalf	The write half returned by `split()`.
WriteVectoredFuture	Future for the `AsyncWriteExt::write_vectored()` method.

Traits

AsyncBufReadExt	Extension trait for `AsyncBufRead`.
AsyncReadExt	Extension trait for `AsyncRead`.
AsyncSeekExt	Extension trait for `AsyncSeek`.
AsyncWriteExt	Extension trait for `AsyncWrite`.

Functions

copy	Copies the entire contents of a reader into a writer.
empty	Creates an empty reader.
repeat	Creates an infinite reader that reads the same byte repeatedly.
sink	Creates a writer that consumes and drops all data.
split	Splits a stream into `AsyncRead` and `AsyncWrite` halves.

Type Definitions

BoxedReader	Type alias for `Pin<Box<dyn AsyncRead + Send + 'static>>`.
BoxedWriter	Type alias for `Pin<Box<dyn AsyncWrite + Send + 'static>>`.