Logan Capaldo wrote: > > On Jun 12, 2006, at 5:09 AM, Daniel Schierbeck wrote: > >> I'm wondering why it's not possible to #include a class into a >> module/class -- making the only difference between classes and modules >> the ability to instantiate (#allocate). That way, you could do >> something like this: >> >> class Module >> def included(mod) >> mod.extend(class << self; self; end) >> end >> end >> >> i.e. extend the receiver with the methods and constants of the >> singleton class. It sure would make this whole problem a lot easier to >> solve, and avoid those pesky hacks we're all but fond of. > > Then you have multiple inheritance. Yes.