[−][src]Module async_std::io

Basic input and output.

This module is an async version of std::io.

Examples

Read a line from the standard input:

use async_std::io;

let stdin = io::stdin();
let mut line = String::new();
stdin.read_line(&mut line).await?;

The async I/O Prelude

BufReader	Adds buffering to any reader.
Empty	A reader that contains no data.
Error	The error type for I/O operations of the `Read`, `Write`, `Seek`, and associated traits.
Lines	A stream of lines in a byte stream.
Sink	A writer that consumes and drops all data.
Stderr	A handle to the standard error of the current process.
Stdin	A handle to the standard input of the current process.
Stdout	A handle to the standard output of the current process.

ErrorKind	A list specifying general categories of I/O error.
SeekFrom	Enumeration of possible methods to seek within an I/O object.

BufRead	Allows reading from a buffered byte stream.
Read	Allows reading from a byte stream.
Seek	Allows seeking through a byte stream.
Write	Allows writing to a byte stream.

copy	Copies the entire contents of a reader into a writer.
empty	Creates a reader that contains no data.
sink	Creates a writer that consumes and drops all data.
stderr	Constructs a new handle to the standard error of the current process.
stdin	Constructs a new handle to the standard input of the current process.
stdout	Constructs a new handle to the standard output of the current process.
timeout	Awaits an I/O future or times out after a duration of time.

A specialized Result type for I/O operations.