diff options
Diffstat (limited to 'tests/ui/impl-trait/in-assoc-type.stderr')
| -rw-r--r-- | tests/ui/impl-trait/in-assoc-type.stderr | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/in-assoc-type.stderr b/tests/ui/impl-trait/in-assoc-type.stderr new file mode 100644 index 00000000000..f0a272dc2d5 --- /dev/null +++ b/tests/ui/impl-trait/in-assoc-type.stderr @@ -0,0 +1,22 @@ +error[E0308]: mismatched types + --> $DIR/in-assoc-type.rs:17:22 + | +LL | type Bar = impl std::fmt::Debug; + | -------------------- the expected opaque type +... +LL | fn foo(&self) -> <Self as Foo<()>>::Bar {} + | --- ^^^^^^^^^^^^^^^^^^^^^^ expected opaque type, found `()` + | | + | implicitly returns `()` as its body has no tail or `return` expression + | + = note: expected opaque type `<() as Foo<()>>::Bar` + found unit type `()` +note: this item must have the opaque type in its signature in order to be able to register hidden types + --> $DIR/in-assoc-type.rs:17:5 + | +LL | fn foo(&self) -> <Self as Foo<()>>::Bar {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. |