From: Michel Demazure <michel@...>
Date: 2010-07-25T18:05:25+09:00
Subject: Re: Count occurences of vars in array

David Masover wrote:
> 
> Hash.new(0).tap{|h| arr.each{|e| h[e] += 1} }

Yes ! I always use this construct. Instead of

obj = Klass.new
# do something to obj
obj

I use

Klass.new do |obj|
# do something to obj
end

which, at least to me, has a better look.

_md

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