From: Love U Ruby <lists@...>
Date: 2013-07-20T03:56:19+09:00
Subject: Hash#update - need tweaks

I am in a situation,where I have to the below kind of operations.

h1 = {:url_id => 1, :used => 10}
h2 = {:url_id => 1, :used => 5}
h1.update(h2) {|k,old,new| old + new }
# => {:url_id=>2, :used=>15}

now the above code is working as it supposed to do. Now I actually want
the hash output `{:url_id=>1, :used=>15}`.

But using `Hash#update` can this be achieved? any tweak to my code?

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