src/test/ui/run-pass/coherence/coherence-multidispatch-tuple.rs

   1 // Copyright 2014 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 // run-pass
  12 // pretty-expanded FIXME #23616
  13
  14 use std::fmt::Debug;
  15 use std::default::Default;
  16
  17 // Test that an impl for homogeneous pairs does not conflict with a
  18 // heterogeneous pair.
  19
  20 trait MyTrait {
  21     fn get(&self) -> usize;
  22 }
  23
  24 impl<T> MyTrait for (T,T) {
  25     fn get(&self) -> usize { 0 }
  26 }
  27
  28 impl MyTrait for (usize,isize) {
  29     fn get(&self) -> usize { 0 }
  30 }
  31
  32 fn main() {
  33 }