. . "Surely a lot of the achievements of language design from Lisp ans Smalltalk and other languages are in Ruby, but it is not turtles all the way down -- not uniform enough to be able to efficiently develop new high-level concepts on top of it, which will fit (so you are mostly left with what is already in the language. (Btw, Mr. Braitwaite tries to prove the opposite).C# (it seems, they are incorpora" . .