From: Aleks Kissinger <aleks0@...>
Date: 2006-07-26T23:30:41+09:00
Subject: Truncate an array

Is there a generally preferred way to truncate an array?  I've used
these two, but is there a better way?

SOME_ARRAY = [1, 2, 3]

1. SOME_ARRAY.each_index{|i| SOME_ARRAY[i].nil}.compact!
2. SOME_ARRAY.slice!(1..0)

=> SOME_ARRAY == []