| // 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. |
| |
| #[derive(Debug)] |
| struct Matrix4<S>(S); |
| trait POrd<S> {} |
| |
| fn translate<S: POrd<S>>(s: S) -> Matrix4<S> { Matrix4(s) } |
| |
| impl POrd<f32> for f32 {} |
| impl POrd<f64> for f64 {} |
| |
| fn main() { |
| let x = 1.0; |
| let m : Matrix4<f32> = translate(x); |
| println!("m: {:?}", m); |
| } |