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 // pretty-expanded FIXME #23616
13 #![feature(core,unboxed_closures)]
18 impl<'a> Fn<(&'a (),)> for Foo {
19 extern "rust-call" fn call(&self, (_,): (&(),)) {}
22 impl<'a> FnMut<(&'a (),)> for Foo {
23 extern "rust-call" fn call_mut(&mut self, (_,): (&(),)) {}
26 impl<'a> FnOnce<(&'a (),)> for Foo {
29 extern "rust-call" fn call_once(self, (_,): (&(),)) {}