From: Gregory Brown <gregory.t.brown@...>
Date: 2007-01-01T06:38:02+09:00
Subject: Re: Mini-RCR: Extra Argument for Array#join

On 12/31/06, Devin Mullins <twifkak@comcast.net> wrote:

>      def test_new_block_behavior
>        assert_equal '1 dna, 2, 3, 4, 5',
>                     (1..5).to_a.join {|e,i| i == 1 ? ' dna, ' : ', ' }
>      end


Hmm... this seems powerful and generally useful.