rust/src/test/ui/volatile-fat-ptr.rs
2019-07-27 18:56:16 +03:00

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");
}
}