This branch get the game compiled and working as indicated in the book just now (August 2018).
Files updated :
1 - cabal.config to remove the constraints on modules versions
2 - game-in-haskell-book.cabal to be coherent with the liberation of constraints
3 - errors corrections in .hs files (mostly relative to elerea >= 2.8 new procedure to take Signal in account thru SignalGen).
This branch get the game compiled and working as indicated in the book just now (August 2018). Files updated : 1 - cabal.config to remove the constraints on modules versions 2 - game-in-haskell-book.cabal to be coherent with the liberation of constraints 3 - errors corrections in .hs files (mostly relative to elerea >= 2.8 new procedure to take Signal in account thru SignalGen).