27 lines
748 B
Rust
27 lines
748 B
Rust
// 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.
|
|
|
|
struct closure_box {
|
|
cl: &fn(),
|
|
}
|
|
|
|
fn box_it(+x: &r/fn()) -> closure_box/&r {
|
|
closure_box {cl: x}
|
|
}
|
|
|
|
fn call_static_closure(cl: closure_box/&static) {
|
|
(cl.cl)();
|
|
}
|
|
|
|
pub fn main() {
|
|
let cl_box = box_it(|| debug!("Hello, world!"));
|
|
call_static_closure(cl_box);
|
|
}
|