rust/src/test/compile-fail/sendfn-is-not-a-lambda.rs

// Copyright 2012 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 test(f: @fn(uint) -> uint) -> uint {
    return f(22u);
}

fn main() {
    let f: ~fn(x: uint) -> uint = |x| 4u;
    debug!(test(f)); //~ ERROR expected @ closure, found ~ closure
}