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//@ run-pass
#![allow(unused_variables)]
use std::cmp;
use std::ops;
#[derive(Copy, Clone, Debug)]
struct Point {
x: isize,
y: isize
}
impl ops::Add for Point {
type Output = Point;
fn add(self, other: Point) -> Point {
Point {x: self.x + other.x, y: self.y + other.y}
}
}
impl ops::Sub for Point {
type Output = Point;
fn sub(self, other: Point) -> Point {
Point {x: self.x - other.x, y: self.y - other.y}
}
}
impl ops::Neg for Point {
type Output = Point;
fn neg(self) -> Point {
Point {x: -self.x, y: -self.y}
}
}
impl ops::Not for Point {
type Output = Point;
fn not(self) -> Point {
Point {x: !self.x, y: !self.y }
}
}
impl ops::Index<bool> for Point {
type Output = isize;
fn index(&self, x: bool) -> &isize {
if x {
&self.x
} else {
&self.y
}
}
}
impl cmp::PartialEq for Point {
fn eq(&self, other: &Point) -> bool {
(*self).x == (*other).x && (*self).y == (*other).y
}
fn ne(&self, other: &Point) -> bool { !(*self).eq(other) }
}
pub fn main() {
let mut p = Point {x: 10, y: 20};
p = p + Point {x: 101, y: 102};
p = p - Point {x: 100, y: 100};
assert_eq!(p + Point {x: 5, y: 5}, Point {x: 16, y: 27});
assert_eq!(-p, Point {x: -11, y: -22});
assert_eq!(p[true], 11);
assert_eq!(p[false], 22);
let q = !p;
assert_eq!(q.x, !(p.x));
assert_eq!(q.y, !(p.y));
// Issue #1733
result(p[true]);
}
fn result(i: isize) { }
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