On Tue, Aug 5, 2014 at 6:15 AM, Arup Rakshit <aruprakshit / rocketmail.com>
wrote:

> Have you ever seen this ?
>
> 2.1.2 :001 > [2,[3,4],1,8,[[[5]]]].join
>  => "234185"
> 2.1.2 :002 > [2,[3,4],1,8,[[[5]]]].join("|")
>  => "2|3|4|1|8|5"
> 2.1.2 :003 >
>
>

As #join returns a String, I'm sort of wondering what else you were
expecting it to do?