From: Ben Bleything <ben@...>
Date: 2009-01-29T04:21:06+09:00
Subject: Re: "adding" two hashes

On Wed, Jan 28, 2009 at 11:07 AM, Bryson Smith <bryson@mailinator.com> wrote:
> Do I need to write my own function to parse through each hash's keys?
> Is there a built-in way to do this?

You can try Hash#merge:

irb(main):007:0> a = {:a => 1}
=> {:a=>1}
irb(main):008:0> b = {:b => 2}
=> {:b=>2}
irb(main):009:0> c = a.merge( b )
=> {:a=>1, :b=>2}

Note that if you have duplicate keys, the values in b will override
the values in a.

Ben