src/test/ui/generator/print/generator-print-verbose-2.rs

   1 // compile-flags: -Zverbose
   2
   3 // Same as test/ui/generator/not-send-sync.rs
   4 #![feature(generators)]
   5
   6 use std::cell::Cell;
   7
   8 fn main() {
   9     fn assert_sync<T: Sync>(_: T) {}
  10     fn assert_send<T: Send>(_: T) {}
  11
  12     assert_sync(|| {
  13         //~^ ERROR: generator cannot be shared between threads safely
  14         let a = Cell::new(2);
  15         yield;
  16     });
  17
  18     let a = Cell::new(2);
  19     assert_send(|| {
  20         //~^ ERROR: E0277
  21         drop(&a);
  22         yield;
  23     });
  24 }