| #![allow(incomplete_features)] |
| #![feature(generic_associated_types)] |
| |
| trait Shadow<'a> { |
| //FIXME(#44265): The lifetime parameter shadowing should cause an error. |
| type Bar<'a>; |
| } |
| |
| trait NoShadow<'a> { |
| type Bar<'b>; // OK |
| } |
| |
| impl<'a> NoShadow<'a> for &'a u32 { |
| //FIXME(#44265): The lifetime parameter shadowing should cause an error. |
| type Bar<'a> = i32; |
| } |
| |
| trait ShadowT<T> { |
| type Bar<T>; //~ ERROR the name `T` is already used |
| } |
| |
| trait NoShadowT<T> { |
| type Bar<U>; // OK |
| } |
| |
| impl<T> NoShadowT<T> for Option<T> { |
| type Bar<T> = i32; //~ ERROR the name `T` is already used |
| } |
| |
| fn main() {} |