src/test/compile-fail/coherence-overlap-messages.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 trait Foo {}
  12
  13 impl<T> Foo for T {}
  14 impl<U> Foo for U {} //~ ERROR conflicting implementations of trait `Foo`:
  15
  16 trait Bar {}
  17
  18 impl<T> Bar for (T, u8) {}
  19 impl<T> Bar for (u8, T) {} //~ ERROR conflicting implementations of trait `Bar` for type `(u8, u8)`:
  20
  21 trait Baz<T> {}
  22
  23 impl<T> Baz<u8> for T {}
  24 impl<T> Baz<T> for u8 {} //~ ERROR conflicting implementations of trait `Baz<u8>` for type `u8`:
  25
  26 trait Quux<U, V> {}
  27
  28 impl<T, U, V> Quux<U, V> for T {}
  29 impl<T, U> Quux<U, U> for T {} //~ ERROR conflicting implementations of trait `Quux<_, _>`:
  30 impl<T, V> Quux<T, V> for T {} //~ ERROR conflicting implementations of trait `Quux<_, _>`:
  31
  32 fn main() {}