| //@revisions: edition2015 edition2024 | |
| //@[edition2015] edition:2015 | |
| //@[edition2024] edition:2024 | |
| #![feature(impl_trait_in_fn_trait_return)] | |
| use std::fmt::Debug; | |
| fn a() -> impl Fn(&u8) -> impl Debug { //[edition2024]~ ERROR `impl Trait` cannot capture higher-ranked lifetime from outer `impl Trait` | |
| |x| x //[edition2015]~ ERROR hidden type for `impl Debug` captures lifetime that does not appear in bounds | |
| } | |
| fn main() {} |