35 lines
900 B
Rust
35 lines
900 B
Rust
// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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struct X {
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x: int
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}
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fn f1(a: &mut X, b: &mut int, c: int) -> int {
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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(a: int, f: |int|) -> int { 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!(b, 10);
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assert_eq!(f2(a.x, |_| a.x = 50), 0);
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assert_eq!(a.x, 50);
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}
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