Impact on style of GHC -Wall

Question

It is considered good practice to enable GHC warnings with -Wall. However, I\'ve found out that fixing those warnings has a negative effect for some types of code c

Answer 1

There is also the much less intrusive -W option, which enables a set of reasonable warnings mostly related to general coding style (unused imports, unused variables, incomplete pattern matches, etc.).

In particular it does not include the two warnings you mentioned.