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.
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.
11 #![feature(fn_traits, unboxed_closures)]
15 impl<'a, T> Fn<(&'a T,)> for Foo {
16 extern "rust-call" fn call(&self, (_,): (T,)) {}
17 //~^ ERROR: has an incompatible type for trait
18 //~| expected reference
21 impl<'a, T> FnMut<(&'a T,)> for Foo {
22 extern "rust-call" fn call_mut(&mut self, (_,): (T,)) {}
23 //~^ ERROR: has an incompatible type for trait
24 //~| expected reference
27 impl<'a, T> FnOnce<(&'a T,)> for Foo {
30 extern "rust-call" fn call_once(self, (_,): (T,)) {}
31 //~^ ERROR: has an incompatible type for trait
32 //~| expected reference