From: Michael Neumann <neumann@...>
Date: 2001-04-08T22:35:31+09:00
Subject: [ruby-talk:13556] Re: array question

OZAWA -Crouton- Sakuro wrote:
> If you just want to count non-nil elements in a array, use compact.
> 
> arr = Array.new
> arr[1000] = 1
> puts arr.compact.size
> #=> 1
> arr.compact!
> puts arr.size
> #=> 1

But then arr[1000] results in nil !!!

-- 
Michael Neumann