tests/ui/generator/nested_generators.rs

   1 // run-pass
   2
   3 #![feature(generators, generator_trait)]
   4
   5 use std::ops::{Generator, GeneratorState};
   6 use std::pin::Pin;
   7
   8 fn main() {
   9     let _generator = || {
  10         let mut sub_generator = || {
  11             yield 2;
  12         };
  13
  14         match Pin::new(&mut sub_generator).resume(()) {
  15             GeneratorState::Yielded(x) => {
  16                 yield x;
  17             }
  18             _ => panic!(),
  19         };
  20     };
  21 }