src/test/compile-fail/issue-18959.rs

   1 // Copyright 2014 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 pub trait Foo { fn foo<T>(&self, ext_thing: &T); }
  12 pub trait Bar: Foo { }
  13 impl<T: Foo> Bar for T { }
  14
  15 pub struct Thing;
  16 impl Foo for Thing {
  17     fn foo<T>(&self, _: &T) {}
  18 }
  19
  20 #[inline(never)]
  21 fn foo(b: &Bar) {
  22     //~^ ERROR E0038
  23     b.foo(&0)
  24 }
  25
  26 fn main() {
  27     let mut thing = Thing;
  28     let test: &Bar = &mut thing;
  29     foo(test);
  30 }