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Fix all warnings, GHC 8.0 to 8.4

Open HuwCampbell opened this issue 7 years ago • 1 comments

I received a bunch of warnings when compiling this, and it looks like the semigroup instances were non-canonical.

I also fixed up the commented example so it compiles and prints 42. It looks like the library has shifted since it was written.

HuwCampbell avatar Oct 18 '18 23:10 HuwCampbell

Good stuff!

puffnfresh avatar Oct 18 '18 23:10 puffnfresh