src/test/compile-fail/borrowck-move-by-capture.rs

   1 // Copyright 2014 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 #![feature(box_syntax,unboxed_closures)]
  12
  13 fn to_fn_mut<A,F:FnMut<A>>(f: F) -> F { f }
  14 fn to_fn_once<A,F:FnOnce<A>>(f: F) -> F { f }
  15
  16 pub fn main() {
  17     let bar: Box<_> = box 3;
  18     let _g = to_fn_mut(|| {
  19         let _h = to_fn_once(move || -> isize { *bar }); //~ ERROR cannot move out of
  20     });
  21 }