From: Sean O'Dell <sean@...>
Date: 2002-04-10T10:48:46+09:00
Subject: Range.each without iteration

How does one specify a range so that range.each never iterates?  I've tried
[0..value], [0...value] and [0..value-1] but .each executes at least once
for each.

Here's my problem.  I want to iterate from 0 to value - 1 (for an exact
count of value).  Obviously, if value is 0, then I don't want to iterate at
all.  In C this is easy with:

    for(i = 0;i < value;i++)

....as shown, for will iterate for an exact count of value and if value is
zero, will not iterate even once.

How do I acheive something similar in Ruby?

    Sean