rust/src/test/run-pass/rec-tup.rs

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2011-08-15 06:39:45 -05:00
// -*- rust -*-
type point = {x: int, y: int};
type rect = (point, point);
fn fst(r: &rect) -> point {
let (fst, _) = r;
ret fst;
}
fn snd(r: &rect) -> point {
let (_, snd) = r;
ret snd;
}
fn f(r: rect, x1: int, y1: int, x2: int, y2: int) {
assert (fst(r).x == x1);
assert (fst(r).y == y1);
assert (snd(r).x == x2);
assert (snd(r).y == y2);
}
fn main() {
let r: rect = ({x: 10, y: 20}, {x: 11, y: 22});
assert (fst(r).x == 10);
assert (fst(r).y == 20);
assert (snd(r).x == 11);
assert (snd(r).y == 22);
let r2 = r;
let x: int = fst(r2).x;
assert (x == 10);
f(r, 10, 20, 11, 22);
f(r2, 10, 20, 11, 22);
}