From: Roy Zuo <roylzuo@...>
Date: 2011-04-16T12:59:20+09:00
Subject: Re: how to count values in an array using 1.8.6 ?

How about 

    countme.uniq.size

On Sat, Apr 16, 2011 at 12:49:06PM +0900, Richard Sandoval wrote:
> Hi,
> 
> How can I count all keys in an array?
> 
> For instance, I want to do this
> 
> >> countme = [1,2,3,4,4,4,4,4,5]
> => [1, 2, 3, 4, 4, 4, 4, 4, 5]
> >> countme.count
> => 9
> 
> but in ruby 1.8.6, there is only size which doesn't quite work...
> 
> -- 
> Posted via http://www.ruby-forum.com/.
> 

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