[rustc.git] / src / test / run-pass / block-fn-coerce.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.

// pretty-expanded FIXME #23616

fn force<F>(f: F) -> isize where F: FnOnce() -> isize { return f(); }

pub fn main() {
    fn f() -> isize { return 7; }
    assert_eq!(force(f), 7);
    let g = {||force(f)};
    assert_eq!(g(), 7);
}
Commit	Line	Data
223e47cc LB	1	// Copyright 2012 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.
	4	//
	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.
	10
c34b1796 AL	11	// pretty-expanded FIXME #23616
	12
	13	fn force<F>(f: F) -> isize where F: FnOnce() -> isize { return f(); }
1a4d82fc	14
223e47cc	15	pub fn main() {
c34b1796	16	fn f() -> isize { return 7; }
970d7e83	17	assert_eq!(force(f), 7);
85aaf69f	18	let g = {\|\|force(f)};
970d7e83	19	assert_eq!(g(), 7);
223e47cc	20	}