src/test/run-pass/specialization/defaultimpl/projection-alias.rs

   1 // Copyright 2016 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 #![feature(specialization)]
  12
  13 // Regression test for ICE when combining specialized associated types and type
  14 // aliases
  15
  16 trait Id_ {
  17     type Out;
  18 }
  19
  20 type Id<T> = <T as Id_>::Out;
  21
  22 default impl<T> Id_ for T {
  23     type Out = T;
  24 }
  25
  26 fn test_proection() {
  27     let x: Id<bool> = panic!();
  28 }
  29
  30 fn main() {
  31
  32 }