Function std::io::empty 1.0.0 (const: unstable)[−][src]
pub fn empty() -> Emptyⓘ
Expand description
Constructs a new handle to an empty reader.
All reads from the returned reader will return Ok
(0)
.
Examples
A slightly sad example of not reading anything into a buffer:
use std::io::{self, Read};
let mut buffer = String::new();
io::empty().read_to_string(&mut buffer).unwrap();
assert!(buffer.is_empty());
Run