src/test/ui/unboxed-closures/unboxed-closures-infer-fnonce-call-twice.rs

   1 // Copyright 2015 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 // Test that we are able to infer a suitable kind for this closure
  12 // that is just called (`FnMut`).
  13
  14 use std::mem;
  15
  16 fn main() {
  17     let mut counter: Vec<i32> = Vec::new();
  18     let tick = || mem::drop(counter);
  19     tick();
  20     tick(); //~ ERROR use of moved value: `tick`
  21 }