I was under the impression (from documentation, not from experience) that map/filter were the more "optimal" way to do things when you had a choice. I certainly

I was under the impression (from documentation, not from experience) that map/filter were the more "optimal" way to do things when you had a choice. I certainly find them more intuitive then the alternatives. Another feature is the nested defines - that is quite nice (considering that you can put very little into a lambda).