Why is `reject!` even a separate, and different implementation than `select!`? Perf reasons?
Haskell's Data.List doesn't seem to even have a remove/reject. Clojure's remove is simply a complement of filter.
Haskell's Data.List doesn't seem to even have a remove/reject. Clojure's remove is simply a complement of filter.
Rubocop, on the other hand against what I've just said, will tell you in almost every case that you might use Unless, or in agreement with what I think it is that You are saying here, the preferred idiom is to not use the inverse, and you should only say "unless" when what you meant to say is unambiguously !if.
IOW sometimes you really mean reject
I've been using Ruby (in the context of Rails apps) for almost six months now, after a decade or so in mostly Python. Ruby is just "messy" in my opinion, and having the separate methods Array#select and Array#reject is just a single symptom of that.
Another example is that something in Rails adds Array#fourth. I can't imagine a circumstance where using my_array.fourth is clearer than my_array[3].