72 lines
1.8 KiB
Rust
72 lines
1.8 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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// xfail-fast
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#[legacy_modes];
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struct Point {
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x: int,
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y: int
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}
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impl Point : ops::Add<Point,Point> {
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pure fn add(&self, other: &Point) -> Point {
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Point {x: self.x + (*other).x, y: self.y + (*other).y}
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}
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}
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impl Point : ops::Sub<Point,Point> {
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pure fn sub(&self, other: &Point) -> Point {
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Point {x: self.x - (*other).x, y: self.y - (*other).y}
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}
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}
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impl Point : ops::Neg<Point> {
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pure fn neg(&self) -> Point {
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Point {x: -self.x, y: -self.y}
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}
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}
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impl Point : ops::Not<Point> {
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pure fn not(&self) -> Point {
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Point {x: !self.x, y: !self.y }
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}
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}
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impl Point : ops::Index<bool,int> {
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pure fn index(&self, +x: bool) -> int {
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if x { self.x } else { self.y }
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}
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}
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impl Point : cmp::Eq {
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pure fn eq(&self, other: &Point) -> bool {
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(*self).x == (*other).x && (*self).y == (*other).y
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}
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pure fn ne(&self, other: &Point) -> bool { !(*self).eq(other) }
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}
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fn main() {
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let mut p = Point {x: 10, y: 20};
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p += Point {x: 101, y: 102};
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p = p - Point {x: 100, y: 100};
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assert p + Point {x: 5, y: 5} == Point {x: 16, y: 27};
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assert -p == Point {x: -11, y: -22};
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assert p[true] == 11;
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assert p[false] == 22;
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let q = !p;
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assert q.x == !(p.x);
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assert q.y == !(p.y);
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// Issue #1733
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fn~(_x: int){}(p[true]);
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}
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