| //@ 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); | |
| } |