src/test/ui/closure_context/issue-26046-fn-mut.rs


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// Copyright 2017 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.

fn foo() -> Box<Fn()> {
    let num = 5;

    let closure = || { //~ ERROR expected a closure that
        num += 1;
    };

    Box::new(closure)
}

fn main() {}