-Trait implementations can only implement associated types that are members of
-the trait in question. This error indicates that you attempted to implement
-an associated type whose name does not match the name of any associated type
-in the trait.
+An associated type whose name does not match any of the associated types
+in the trait was used when implementing the trait.
Erroneous code example:
}
```
+Trait implementations can only implement associated types that are members of
+the trait in question.
+
The solution to this problem is to remove the extraneous associated type:
```