| // This issue reproduces an ICE on compile (E.g. fails on 2018-12-19 nightly). | |
| // "cannot relate bound region: ReLateBound(DebruijnIndex(1), BrAnon(1)) <= '_#1r" | |
| // run-pass | |
| // edition:2018 | |
| #![feature(generators,generator_trait)] | |
| use std::ops::Generator; | |
| fn with<F>(f: F) -> impl Generator<Yield=(), Return=()> | |
| where F: Fn() -> () | |
| { | |
| move || { | |
| loop { | |
| match f() { | |
| _ => yield, | |
| } | |
| } | |
| } | |
| } | |
| fn main() { | |
| let data = &vec![1]; | |
| || { | |
| let _to_pin = with(move || println!("{:p}", data)); | |
| loop { | |
| yield | |
| } | |
| }; | |
| } |