Though you know, it's funny, my brain doesn't actually like it that map returns different things depending in the types of its arguments. In the same way that a long run-on sentence is annoying if I can't tell what's it's saying until the end, if I see a map I don't know if it's returning a list or a string or whatever until I've looked at its arguments and seen what they are.
So I might like map to always return a list, but still have it treat a string as if it were a list of characters. The example then becomes:
