| // Test that two distinct impls which match subtypes of one another |
| // yield coherence errors (or not) depending on the variance. |
| // |
| // Note: This scenario is currently accepted, but as part of the |
| // universe transition (#56105) may eventually become an error. |
| |
| // revisions: old re |
| |
| struct Foo<T> { |
| t: T, |
| } |
| |
| impl Foo<for<'a, 'b> fn(&'a u8, &'b u8) -> &'a u8> { |
| fn method1(&self) {} //~ ERROR duplicate definitions with name `method1` |
| } |
| |
| impl Foo<for<'a> fn(&'a u8, &'a u8) -> &'a u8> { |
| fn method1(&self) {} |
| } |
| |
| fn main() {} |