You can "printf debug" Haskell code pretty well using 'trace' (http://hackage.haskell.org/packages/archive/base/latest/doc/html/Debug-Trace.html#v:trace http://

You can "printf debug" Haskell code pretty well using 'trace' (http://hackage.haskell.org/packages/archive/base/latest/doc/html/Debug-Trace.html#v:trace http://hackage.haskell.org/packages/archive/base/latest/doc/...) which was designed for the purpose. The lack of gdb support for Haskell is very irritating, but it seems you won't get that with Scotch at the moment either.