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.
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)]
19 impl<T: fmt::Debug> ops::FnOnce<(),> for Debuger<T> {
21 fn call_once(self, _args: ()) {
22 //~^ ERROR `call_once` has an incompatible type for trait
23 //~| expected type `extern "rust-call" fn
25 println!("{:?}", self.x);
29 fn make_shower<T>(x: T) -> Debuger<T> {
34 let show3 = make_shower(3);