// run-pass // aux-build:xcrate.rs #![feature(generators, generator_trait)] extern crate xcrate; use std::ops::{GeneratorState, Generator}; fn main() { let mut foo = xcrate::foo(); match unsafe { foo.resume() } { GeneratorState::Complete(()) => {} s => panic!("bad state: {:?}", s), } let mut foo = xcrate::bar(3); match unsafe { foo.resume() } { GeneratorState::Yielded(3) => {} s => panic!("bad state: {:?}", s), } match unsafe { foo.resume() } { GeneratorState::Complete(()) => {} s => panic!("bad state: {:?}", s), } }