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