From: matz@... (Yukihiro Matsumoto)
Date: 2001-01-10T15:51:33+09:00
Subject: [ruby-talk:8996] Re: Methods in FileTest

Hi,

In message "[ruby-talk:8992] Methods in FileTest"
    on 01/01/10, "Hal E. Fulton" <hal9000@hypermetrics.com> writes:

|However, size is there -- the only one without a
|question mark.
|
|On the other hand, it could be there simply so that
|size? doesn't get lonely.

We both have size and size?; the latter returns nil for zero sized
files.  This is because zero returning functions are often used as
predicates in C world.

							matz.