rust/src/test/run-pass/block-arg-used-as-any.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 call_any(f: fn() -> uint) -> uint {
    return f();
}

pub fn main() {
    let x_r = do call_any { 22u };
    assert x_r == 22u;
}