But before that happens this has to happen in classes:
if not isinstance(g, GFP) or f.mod != g.mod:
raise UnificationFailed("can't unify %s with %s" % (f, g))
sym = max(f.sym, g.sym)
if f.dom == g.dom:
- check an instance and maybe do a bool test
- get the max of two quantities (a multi-step process?)
- check the domain
...that instead of just a bool test to avoid those three steps like
"if unified". Like the subject says, perhaps those 3 steps are very
fast but are there reasons not to just do that single test and get to
doing the mul?
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