32 lines
755 B
Rust
32 lines
755 B
Rust
// Copyright 2012 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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#![allow(unknown_features)]
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#![feature(box_syntax)]
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fn f(mut y: Box<isize>) {
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*y = 5;
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assert_eq!(*y, 5);
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}
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fn g() {
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let frob = |mut q: Box<isize>| { *q = 2; assert_eq!(*q, 2); };
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let w = box 37;
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frob(w);
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}
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pub fn main() {
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let z = box 17;
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f(z);
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g();
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}
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