Module futures_lite::io

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>>.