33 lines
848 B
Rust
33 lines
848 B
Rust
// Copyright 2015 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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use std::ops::Mul;
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#[derive(Copy, Clone)]
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pub struct Foo {
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x: f64,
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}
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impl Mul<Foo> for f64 {
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type Output = Foo;
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fn mul(self, rhs: Foo) -> Foo {
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// intentionally do something that is not *
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Foo { x: self + rhs.x }
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}
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}
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pub fn main() {
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let f: Foo = Foo { x: 5.0 };
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let val: f64 = 3.0;
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let f2: Foo = val * f;
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assert_eq!(f2.x, 8.0);
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}
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