rust/tests/ui/consts/const_refs_to_static.rs
2024-02-16 20:02:50 +00:00

20 lines
426 B
Rust

//@ run-pass
#![feature(const_refs_to_static)]
static S: i32 = 0;
static mut S_MUT: i32 = 0;
const C1: &i32 = &S;
#[allow(unused)]
const C1_READ: () = {
assert!(*C1 == 0);
};
const C2: *const i32 = unsafe { std::ptr::addr_of!(S_MUT) };
fn main() {
assert_eq!(*C1, 0);
assert_eq!(unsafe { *C2 }, 0);
// Computing this pattern will read from an immutable static. That's fine.
assert!(matches!(&0, C1));
}