src/test/compile-fail/issue-29857.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
  12 #![feature(rustc_attrs)]
  13
  14 use std::marker::PhantomData;
  15
  16 pub trait Foo<P> {}
  17
  18 impl <P, T: Foo<P>> Foo<P> for Option<T> {}
  19
  20 pub struct Qux<T> (PhantomData<*mut T>);
  21
  22 impl<T> Foo<*mut T> for Option<Qux<T>> {}
  23
  24 pub trait Bar {
  25     type Output: 'static;
  26 }
  27
  28 impl<T: 'static, W: Bar<Output = T>> Foo<*mut T> for W {}
  29
  30 #[rustc_error]
  31 fn main() {} //~ ERROR compilation successful