rust/tests/ui/consts/issue-67640.rs

25 lines
465 B
Rust

//@ compile-flags: -Z mir-opt-level=4
//@ run-pass
struct X {
x: isize
}
fn f1(a: &mut X, b: &mut isize, c: isize) -> isize {
let r = a.x + *b + c;
a.x = 0;
*b = 10;
return r;
}
fn f2<F>(a: isize, f: F) -> isize where F: FnOnce(isize) { f(1); return a; }
pub fn main() {
let mut a = X {x: 1};
let mut b = 2;
let c = 3;
assert_eq!(f1(&mut a, &mut b, c), 6);
assert_eq!(a.x, 0);
assert_eq!(f2(a.x, |_| a.x = 50), 0);
}