src/test/run-pass/mir_call_with_associated_type.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 trait Trait {
  12     type Type;
  13 }
  14
  15 impl<'a> Trait for &'a () {
  16     type Type = u32;
  17 }
  18
  19 fn foo<'a>(t: <&'a () as Trait>::Type) -> <&'a () as Trait>::Type {
  20     t
  21 }
  22
  23 fn main() {
  24     assert_eq!(foo(4), 4);
  25 }