Okay, that's cheating. Or rather, that's fine for them, but is no help in porting this idea to Python, which definitely has functions of zero arguments, and th

Okay, that's cheating. Or rather, that's fine for them, but is no help in porting this idea to Python, which definitely has functions of zero arguments, and they aren't even that rare. (Although comparing functions for equality is rare, but it should at least be possible.)