| error[E0282]: type annotations needed | |
| --> $DIR/issue-91762.rs:24:15 | |
| | | |
| LL | ret = <Self::Base as Functor>::fmap(arg); | |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the associated function `fmap` | |
| | | |
| help: consider specifying the generic arguments | |
| | | |
| LL | ret = <Self::Base as Functor>::fmap::<T, U>(arg); | |
| | ++++++++ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0282`. |