ms-ati/rumonade — comment on commit ec5b9da8a16803d7ce242a3bf5b5ee4877889795
File: README.rdoc line 34
By AlexBaranosky:

It'd be cool to see flat_map in your example here. Something of the form: `flat_map {|s| Option(["a", "b", "c"].find(s))}` would probably be most simple. Really any block that returns a potential nil would work for it.