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1 // Copyright 2017 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(unboxed_closures, fn_traits, rustc_attrs)]
15 impl<A
> FnOnce
<(A
,)> for Foo
{
17 extern "rust-call" fn call_once(self, (_
,): (A
,)) {
21 fn main() { //~ ERROR compilation successful
22 println
!("{:?}", Foo("bar"));