src/test/run-pass/generic-derived-type.rs

   1 // Copyright 2012 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 fn g<X>(x: X) -> X { return x; }
  12
  13 #[derive(Clone)]
  14 struct Pair<T> {
  15     a: T,
  16     b: T
  17 }
  18
  19 fn f<T:Clone>(t: T) -> Pair<T> {
  20     let x: Pair<T> = Pair {a: t.clone(), b: t};
  21     return g::<Pair<T>>(x);
  22 }
  23
  24 pub fn main() {
  25     let b = f::<isize>(10);
  26     println!("{}" ,b.a);
  27     println!("{}", b.b);
  28     assert_eq!(b.a, 10);
  29     assert_eq!(b.b, 10);
  30 }