From: Christoph Rippel <crippel@...>
Date: 2000-12-20T01:00:00+09:00
Subject: [ruby-talk:7698] RE:  More methods for NilClass

Hi,

Ruby would certainly gain in elegance if the NilClass would provide some of
these methods including iterators like
def nil.each(*all)
end
(which in my opinion are much less problematic) but this cannot be done blindly.
The problem with nil.size == 0 for example is that the right semantic
interpretation for nil.size could be anything from  -infinity, -1, 0 or infinity
so you are better of by defining this behavior in the preamble of our script
instead of enforcing a uniform behavior of nil for everybody.

Christoph