src/test/compile-fail/issue-21160.rs

   1 // Copyright 2015 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 struct Bar;
  12
  13 impl Bar {
  14     fn hash<T>(&self, _: T) {}
  15 }
  16
  17 #[derive(Hash)]
  18 struct Foo(Bar);
  19 //~^ error: `Bar: std::hash::Hash` is not satisfied
  20
  21 fn main() {}