tests/ui/regions/regions-static-closure.rs

   1 // run-pass
   2 #![allow(non_camel_case_types)]
   3
   4 struct closure_box<'a> {
   5     cl: Box<dyn FnMut() + 'a>,
   6 }
   7
   8 fn box_it<'a>(x: Box<dyn FnMut() + 'a>) -> closure_box<'a> {
   9     closure_box {cl: x}
  10 }
  11
  12 fn call_static_closure(mut cl: closure_box<'static>) {
  13     (cl.cl)();
  14 }
  15
  16 pub fn main() {
  17     let cl_box = box_it(Box::new(|| println!("Hello, world!")));
  18     call_static_closure(cl_box);
  19 }