elixir-lang/elixir — pull request #904 by jdeisenberg (2013-03-26 02:39:20+00:00)
Title: Add feature h(Module, "*") to list all functions in a module

Sometimes I need the documentation on a function, but I don't remember which module it's in. By saying `h(modulename, "*")` I can get a listing of all that module's functions and their arity, and proceed from there.