Special pretty printing for unary tuples
Motivation
It might be worth special-casing unary tuples in the pretty-printer to display them as Unit x instead of (x) to prevent the kind of confusion that happened in #17371 (closed).
It might be worth special-casing unary tuples in the pretty-printer to display them as Unit x instead of (x) to prevent the kind of confusion that happened in #17371 (closed).