From: Bulat Ziganshin <bulatz@...>
Date: 2002-10-23T21:34:35+09:00
Subject: Re: Things That Newcomers to Ruby Should Know (10/16/02)

Hello Mauricio,

Wednesday, October 23, 2002, 4:09:02 PM, you wrote:

>> def a(s)
>>   s << '!'
>>   s += '?'
>>   return s
>> end

MF> Would it be possible for Ruby to know whether an object is referenced by
MF> several variables so += does '<<' or '... = ... + ...' when appropriate?

MF> Perhaps a bit in each String indicating whether it is shared or
MF> not would make it... and GC issues could be ignored at first.

simple things must remain simple :)  instead of counting references
and checking reference count at each '+=' ruby just creates new
objects ang g.c. old and unreferenced


-- 
Best regards,
 Bulat                            mailto:bulatz@integ.ru