37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
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 Point {x: int, y: int}
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type rect = (Point, Point);
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fn fst(r: rect) -> Point { let (fst, _) = r; return fst; }
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fn snd(r: rect) -> Point { let (_, snd) = r; return snd; }
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fn f(r: rect, x1: int, y1: int, x2: int, y2: int) {
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assert_eq!(fst(r).x, x1);
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assert_eq!(fst(r).y, y1);
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assert_eq!(snd(r).x, x2);
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assert_eq!(snd(r).y, y2);
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}
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pub fn main() {
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let r: rect = (Point {x: 10, y: 20}, Point {x: 11, y: 22});
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assert_eq!(fst(r).x, 10);
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assert_eq!(fst(r).y, 20);
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assert_eq!(snd(r).x, 11);
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assert_eq!(snd(r).y, 22);
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let r2 = r;
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let x: int = fst(r2).x;
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assert_eq!(x, 10);
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f(r, 10, 20, 11, 22);
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f(r2, 10, 20, 11, 22);
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}
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