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.
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.
11 #![feature(generators, generator_trait)]
13 use std::ops::{GeneratorState, Generator};
17 // In this case, a reference to `b` escapes the generator, but not
18 // because of a yield. We see that there is no yield in the scope of
19 // `b` and give the more generic error message.