All other languages are either not compiled languages with static typechecking or have too few eligible users. C# would also be an option if it wasn't Windows-only.
Name:
Anonymous2012-05-01 13:24
>>78
Not just GHC, but Haskell in general. The great thing about it is that the type system can just replace those names with arbitrary ints or whatever the fastest way of doing it on any particular platform is.