src/test/run-pass/trait-false-ambiguity-where-clause-builtin-bound.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 // Test that we do not error out because of a (False) ambiguity
  12 // between the builtin rules for Sized and the where clause. Issue
  13 // #20959.
  14
  15 // pretty-expanded FIXME #23616
  16
  17 fn foo<K>(x: Option<K>)
  18     where Option<K> : Sized
  19 {
  20     let _y = x;
  21 }
  22
  23 fn main() {
  24     foo(Some(22));
  25 }