src/test/ui/generator/borrowing.rs

   1 // Copyright 2017 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(generators, generator_trait)]
  12
  13 use std::ops::Generator;
  14
  15 fn main() {
  16     let _b = {
  17         let a = 3;
  18         unsafe { (|| yield &a).resume() }
  19         //~^ ERROR: `a` does not live long enough
  20     };
  21
  22     let _b = {
  23         let a = 3;
  24         || {
  25             yield &a
  26             //~^ ERROR: `a` does not live long enough
  27         }
  28     };
  29 }
  30