rust/tests/ui/consts/const_let_assign3.rs
2023-01-11 09:32:08 +00:00

28 lines
406 B
Rust

struct S {
state: u32,
}
impl S {
const fn foo(&mut self, x: u32) {
//~^ ERROR mutable reference
self.state = x;
}
}
const FOO: S = {
let mut s = S { state: 42 };
s.foo(3); //~ ERROR mutable reference
s
};
type Array = [u32; {
let mut x = 2;
let y = &mut x; //~ ERROR mutable reference
*y = 42;
*y
}];
fn main() {
assert_eq!(FOO.state, 3);
}