rust/tests/run-pass/static_mut.rs
2017-02-07 19:20:16 +01:00

18 lines
296 B
Rust

#![allow(dead_code)]
static mut FOO: i32 = 42;
static BAR: Foo = Foo(unsafe { &FOO as *const _} );
struct Foo(*const i32);
unsafe impl Sync for Foo {}
fn main() {
unsafe {
assert_eq!(*BAR.0, 42);
FOO = 5;
assert_eq!(FOO, 5);
assert_eq!(*BAR.0, 5);
}
}