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(fn_traits)]
13 trait CallSingle<A, B> {
14 fn call(&self, a: A) -> B where Self: Fn(A) -> B;
17 impl<A, B, F: Fn(A) -> B> CallSingle<A, B> for F {
18 fn call(&self, a: A) -> B {
19 <Self as Fn(A) -> B>::call(self, (a,))
20 //~^ ERROR associated type bindings are not allowed here