src/test/run-pass/regions-static-closure.rs

   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
  11 struct closure_box<'self> {
  12     cl: &'self fn(),
  13 }
  14
  15 fn box_it<'r>(+x: &'r fn()) -> closure_box<'r> {
  16     closure_box {cl: x}
  17 }
  18
  19 fn call_static_closure(cl: closure_box<'static>) {
  20     (cl.cl)();
  21 }
  22
  23 pub fn main() {
  24     let cl_box = box_it(|| debug!("Hello, world!"));
  25     call_static_closure(cl_box);
  26 }