32 lines
852 B
Rust
32 lines
852 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 pairs(it: |(int, int)|) {
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let mut i: int = 0;
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let mut j: int = 0;
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while i < 10 { it((i, j)); i += 1; j += i; }
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}
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pub fn main() {
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let mut i: int = 10;
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let mut j: int = 0;
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pairs(|p| {
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let (_0, _1) = p;
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info!("{}", _0);
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info!("{}", _1);
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assert_eq!(_0 + 10, i);
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i += 1;
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j = _1;
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});
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assert_eq!(j, 45);
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}
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