From: Dave Thomas <dave@...>
Date: 2003-07-05T22:57:25+09:00
Subject: Re: Ruby Code Snippet: Array.count

Simon Strandgaard wrote:

> On Sat, 05 Jul 2003 14:20:35 +0900, Dave Thomas wrote:
> 
>>   class Array
>>     def count
>>       inject(0) {|sum, e| yield(e) ? sum + 1 : sum }
>>     end
>>   end
> 
>  
> 
> I have added your Array#count (using inject), here:

My code was written in response to the OP's. However, if you're going to 
save it for posterity, you should really put it under Enumerable.



Dave