From: buddhamagnet@...
Date: 2008-08-25T21:22:09+09:00
Subject: Re: indices of non nil elements in an array

That can be made even more elegant:

a.reject (/e/ e.nil?)

Apologies I am on an iPod so the brackets should be braces and the  
slashes pipes!

Sent from my iPod

On Aug 25, 2008, at 1:04 PM, "Patrick Doyle" <wpdster@gmail.com> wrote:

> On Mon, Aug 25, 2008 at 7:54 AM, David A. Black <dblack@rubypal.com>  
> wrote:
>> On Mon, 25 Aug 2008, Patrick Doyle wrote:
>>> I'm sure there is some simple elegant way to do this, but I can't  
>>> figure
>>> it out.
>>
>> Try this:
>>
>> (0...a.size).reject {|i| a[i].nil? }
>>
> Ahhh -- that's the simple elegant way for which I was searching.  I
> kept going down the path of a.each_index and didn't like where that
> was going.
>
> --wpd
>