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