Wow that makes me cringe. This specifically: > The power of the map/filter abstraction starts becoming more apparent when you do things like > Filter(someFunc

Wow that makes me cringe. This specifically: > The power of the map/filter abstraction starts becoming more apparent when you do things like > Filter(someFunc, Map(funcWith3args, vecA, vecB, vecC)) > And you realize you should swap map and filter for your particular app for better performance. met with this reply: > vs > [10 lines of code for two for loops doing the same thing] > Using range makes it obvious that there is a performance hit in the first place.