Clarify the `usage-of-qualified-ty` error message. I found this message confusing when I encountered it. This commit makes it clearer that you have to import the unqualified type yourself. r? `@lcnr`
Clarify the `usage-of-qualified-ty` error message. I found this message confusing when I encountered it. This commit makes it clearer that you have to import the unqualified type yourself. r? `@lcnr`