From: Yukihiro Matsumoto <matz@...>
Date: 2010-03-13T00:08:46+09:00
Subject: [ruby-core:28632] Re: [Bug #1893] Recursive Enumerable#join is 	surprising

Hi,

In message "Re: [ruby-core:28631] Re: [Bug #1893] Recursive Enumerable#join is 	surprising"
    on Sat, 13 Mar 2010 00:03:26 +0900, Yusuke ENDOH <mame@tsg.ne.jp> writes:

|> In that case, the "surprise" of OP would not be fixed. I agree with
|> the OP (Jeremy Kemper) here. Enumerable#join should not flatten
|> Enumerable.

|It is very "surprising" itself for me, but it is traditionally the fact.
|I have no idea to solve the issue satisfactorily.  I leave it to you.

Since Enumerable#join was introduced after 1.9.1, I admit that was a
design mistake, and I would remove the method, leaving Array#join of
course.  And Array#join will call to_ary to check if any elements is
an array.  In short, back to the old behavior.  Any objection?

							matz.