71 lines
1.7 KiB
Rust
71 lines
1.7 KiB
Rust
// Copyright 2012-2013 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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#![feature(associated_types)]
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use std::num::Zero;
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use std::ops::Add;
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#[derive(Zero)]
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struct Vector2<T>(T, T);
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impl<T: Add<Output=T>> Add for Vector2<T> {
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type Output = Vector2<T>;
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fn add(self, other: Vector2<T>) -> Vector2<T> {
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match (self, other) {
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(Vector2(x0, y0), Vector2(x1, y1)) => {
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Vector2(x0 + x1, y0 + y1)
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}
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}
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}
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}
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#[derive(Zero)]
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struct Vector3<T> {
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x: T, y: T, z: T,
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}
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impl<T: Add<Output=T>> Add for Vector3<T> {
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type Output = Vector3<T>;
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fn add(self, other: Vector3<T>) -> Vector3<T> {
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Vector3 {
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x: self.x + other.x,
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y: self.y + other.y,
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z: self.z + other.z,
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}
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}
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}
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#[derive(Zero)]
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struct Matrix3x2<T> {
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x: Vector2<T>,
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y: Vector2<T>,
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z: Vector2<T>,
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}
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impl<T: Add<Output=T>> Add for Matrix3x2<T> {
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type Output = Matrix3x2<T>;
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fn add(self, other: Matrix3x2<T>) -> Matrix3x2<T> {
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Matrix3x2 {
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x: self.x + other.x,
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y: self.y + other.y,
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z: self.z + other.z,
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}
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}
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}
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pub fn main() {
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let _: Vector2<int> = Zero::zero();
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let _: Vector3<f64> = Zero::zero();
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let _: Matrix3x2<u8> = Zero::zero();
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}
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