Absolute mountains. Consider: Ruby is Smalltalk with alternative syntax and core library. I'm only being a little bit flippant here; the only core language fea

Absolute mountains. Consider: Ruby is Smalltalk with alternative syntax and core library. I'm only being a little bit flippant here; the only core language feature in ST that Ruby is missing is thisContext, and most of the things that end developers do with thisContext (continuations, exceptions, and the debugger) are natively supported by the standard library.