| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| use std::ops::Mul; |
| |
| #[derive(Copy, Clone)] |
| pub struct Foo { |
| x: f64, |
| } |
| |
| impl Mul<Foo> for f64 { |
| type Output = Foo; |
| |
| fn mul(self, rhs: Foo) -> Foo { |
| // intentionally do something that is not * |
| Foo { x: self + rhs.x } |
| } |
| } |
| |
| pub fn main() { |
| let f: Foo = Foo { x: 5.0 }; |
| let val: f64 = 3.0; |
| let f2: Foo = val * f; |
| assert_eq!(f2.x, 8.0); |
| } |
