Scheme is not that hard - I had some trouble internalizing call/cc, but the rest is rather straightforward or fiddly but not really difficult (macros). That sa

Scheme is not that hard - I had some trouble internalizing call/cc, but the rest is rather straightforward or fiddly but not really difficult (macros). That said, I sometimes get the idea that the majority of Scheme code is in Scheme implementations - which put me off the language.