rust/src/test/compile-fail/unboxed-closures-static-call-wrong-trait.rs

// Copyright 2014 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(unboxed_closures)]

fn to_fn_mut<A,F:FnMut<A>>(f: F) -> F { f }

fn main() {
    let mut_ = to_fn_mut(|x| x);
    mut_.call((0, )); //~ ERROR does not implement any method in scope named `call`
}