| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![feature(fn_traits, unboxed_closures)] |
| |
| struct Foo; |
| |
| impl<'a, T> Fn<(&'a T,)> for Foo { |
| extern "rust-call" fn call(&self, (_,): (T,)) {} |
| //~^ ERROR: has an incompatible type for trait |
| //~| expected reference |
| } |
| |
| impl<'a, T> FnMut<(&'a T,)> for Foo { |
| extern "rust-call" fn call_mut(&mut self, (_,): (T,)) {} |
| //~^ ERROR: has an incompatible type for trait |
| //~| expected reference |
| } |
| |
| impl<'a, T> FnOnce<(&'a T,)> for Foo { |
| type Output = (); |
| |
| extern "rust-call" fn call_once(self, (_,): (T,)) {} |
| //~^ ERROR: has an incompatible type for trait |
| //~| expected reference |
| } |
| |
| fn main() {} |
