src/test/ui/run-pass/issues/issue-33461.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 // run-pass
  12 use std::marker::PhantomData;
  13
  14 struct TheType<T> {
  15     t: PhantomData<T>
  16 }
  17
  18 pub trait TheTrait {
  19     type TheAssociatedType;
  20 }
  21
  22 impl TheTrait for () {
  23     type TheAssociatedType = ();
  24 }
  25
  26 pub trait Shape<P: TheTrait> {
  27     fn doit(&self) {
  28     }
  29 }
  30
  31 impl<P: TheTrait> Shape<P> for TheType<P::TheAssociatedType> {
  32 }
  33
  34 fn main() {
  35     let ball = TheType { t: PhantomData };
  36     let handle: &Shape<()> = &ball;
  37 }