diff options
Diffstat (limited to 'src/test/ui/regions/regions-assoc-type-region-bound-in-trait-not-met.rs')
-rw-r--r-- | src/test/ui/regions/regions-assoc-type-region-bound-in-trait-not-met.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/regions/regions-assoc-type-region-bound-in-trait-not-met.rs b/src/test/ui/regions/regions-assoc-type-region-bound-in-trait-not-met.rs new file mode 100644 index 000000000..575dfafe1 --- /dev/null +++ b/src/test/ui/regions/regions-assoc-type-region-bound-in-trait-not-met.rs @@ -0,0 +1,24 @@ +// 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() {} |