Avoid Mutation – Functional Style In RubyThis article is about incorporating functional programming concepts into Ruby code, in a pragmatic way – something I call “functional style.” And when I say pragmatic, what I mean is that the code should still mostly look and feel like idiomatic Ruby. Ruby is not Haskell, and nor should it be. The idea is to work with the grain of the language, not against it. The code should be easy for any Rubyi
