| // Copyright 2017 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // ignore-wasm32-bare compiled with panic=abort by default |
| |
| #![feature(generators, generator_trait)] |
| |
| use std::ops::{GeneratorState, Generator}; |
| use std::panic; |
| |
| fn main() { |
| let mut foo = || { |
| if true { |
| return |
| } |
| yield; |
| }; |
| |
| match foo.resume() { |
| GeneratorState::Complete(()) => {} |
| s => panic!("bad state: {:?}", s), |
| } |
| |
| match panic::catch_unwind(move || foo.resume()) { |
| Ok(_) => panic!("generator successfully resumed"), |
| Err(_) => {} |
| } |
| } |
