src/test/run-pass/issue-14382.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 #[derive(Debug)]
  12 struct Matrix4<S>(S);
  13 trait POrd<S> {}
  14
  15 fn translate<S: POrd<S>>(s: S) -> Matrix4<S> { Matrix4(s) }
  16
  17 impl POrd<f32> for f32 {}
  18 impl POrd<f64> for f64 {}
  19
  20 fn main() {
  21     let x = 1.0;
  22     let m : Matrix4<f32> = translate(x);
  23     println!("m: {:?}", m);
  24 }