23 lines
688 B
Rust
23 lines
688 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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fn takes_two(x: &int, y: &int) -> int { *x + *y }
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fn with<T>(f: fn(x: &int) -> T) -> T {
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f(&20)
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}
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fn has_one(x: &a/int) -> int {
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do with |y| { takes_two(x, y) }
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}
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pub fn main() {
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assert has_one(&2) == 22;
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} |