I am using Happy, which is a yacc-alike for Haskell. I found it mostly straightforward (however, I use the OCaml/Haskell/F# style of lexically distinguishing i

I am using Happy, which is a yacc-alike for Haskell. I found it mostly straightforward (however, I use the OCaml/Haskell/F# style of lexically distinguishing infix operators from variable names).