| // Test that the compiler checks that arbitrary region bounds declared |
| // in the trait must be satisfied on the impl. Issue #20890. |
| |
| trait Foo<'a> { |
| type Value: 'a; |
| fn dummy(&'a self) {} |
| } |
| |
| impl<'a> Foo<'a> for &'a i16 { |
| // OK. |
| type Value = &'a i32; |
| } |
| |
| impl<'a> Foo<'static> for &'a i32 { |
| type Value = &'a i32; |
| //~^ ERROR the type `&'a i32` does not fulfill the required lifetime |
| } |
| |
| impl<'a, 'b> Foo<'b> for &'a i64 { |
| type Value = &'a i32; |
| //~^ ERROR the type `&'a i32` does not fulfill the required lifetime |
| } |
| |
| fn main() {} |