From: Paul Smith <paul@...>
Date: 2009-11-05T01:32:01+09:00
Subject: Re: Hash#count

On Wed, Nov 4, 2009 at 4:19 PM, Intransition <transfire@gmail.com> wrote:
> I want to suggest Hash#count be defined such that it counts hash
> values. A it stands (using Enumerable#count) it only can ever return 0
> or 1.
>
> Current:
>
>  {:a=>1,:b=2,:c=>1}.count([:a,1]) #=> 1
>  {:x=>1,:b=2,:c=>1}.count([:a,1]) #=> 0
>  {:a=>1,:b=2,:c=>1}.count(1)      #=> 0
>


{:a=>1,:b=2,:c=>1}.count{|x| x[1]==1}      #=> 2


-- 
Paul Smith
http://www.nomadicfun.co.uk

paul@pollyandpaul.co.uk