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32 lines
760 B
Rust
32 lines
760 B
Rust
//@ run-pass
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#![allow(non_camel_case_types)]
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#[derive(Copy, Clone)]
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struct Point {x: isize, y: isize}
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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: isize, y1: isize, x2: isize, y2: isize) {
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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: isize = 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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