From: William James <w_a_x_man@...>
Date: 2005-02-20T07:39:44+09:00
Subject: Re: Array#join non string arguments


Simon Strandgaard wrote:
> A proposal:
>
> [1, 2, 3, 4, 5, 6].join(0)    #-> [1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6]
>
>
> I would like to interleave an arrray with another element.

[3,6,9].map{|x|[x,0]}.flatten[0..-2]
[3, 0, 6, 0, 9]