| // 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. |
| |
| #![feature(generators, nll)] |
| |
| // Test for issue #47189. Here, both `s` and `t` are live for the |
| // generator's lifetime, but within the generator they have distinct |
| // lifetimes. We accept this code -- even though the borrow extends |
| // over a yield -- because the data that is borrowed (`*x`) is not |
| // stored on the stack. |
| |
| // compile-pass |
| |
| fn foo(x: &mut u32) { |
| move || { |
| let s = &mut *x; |
| yield; |
| *s += 1; |
| |
| let t = &mut *x; |
| yield; |
| *t += 1; |
| }; |
| } |
| |
| fn main() { |
| foo(&mut 0); |
| } |