mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 07:14:28 +00:00
16 lines
316 B
Rust
16 lines
316 B
Rust
// run-pass
|
|
|
|
#![allow(stable_features)]
|
|
#![feature(volatile)]
|
|
use std::ptr::{read_volatile, write_volatile};
|
|
|
|
fn main() {
|
|
let mut x: &'static str = "test";
|
|
unsafe {
|
|
let a = read_volatile(&x);
|
|
assert_eq!(a, "test");
|
|
write_volatile(&mut x, "foo");
|
|
assert_eq!(x, "foo");
|
|
}
|
|
}
|