23 lines
702 B
Rust
23 lines
702 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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struct Box<T> {c: @T}
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fn unbox<T: Copy>(b: Box<T>) -> T { return *b.c; }
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pub fn main() {
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let foo: int = 17;
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let bfoo: Box<int> = Box {c: @foo};
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debug!("see what's in our box");
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assert (unbox::<int>(bfoo) == foo);
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}
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