| //@ check-pass | |
| pub trait Reader {} | |
| enum Wrapper<'a> { | |
| WrapReader(&'a (dyn Reader + 'a)) | |
| } | |
| trait Wrap<'a> { | |
| fn wrap(self) -> Wrapper<'a>; | |
| } | |
| impl<'a, R: Reader> Wrap<'a> for &'a mut R { | |
| fn wrap(self) -> Wrapper<'a> { | |
| Wrapper::WrapReader(self as &'a mut dyn Reader) | |
| } | |
| } | |
| pub fn main() {} |