From: Matt Armstrong <matt@...>
Date: 2003-02-19T15:02:10+09:00
Subject: Re: String#+ operatorbroken?

Jim Freeze <jim@freeze.org> writes:

> I have some code sitting around that used the notation
> (Yes, it was written long ago before I knew better)
>
>   s = ""
>   s += "whatever"
>
> I tried to use it today with 1.8.0, but my program went wild on
> memory usage.  (Now, remember, this code worked fine under 1.6.7 and
> possibly 1.7.3.)

What version do you mean by 1.8.0?  I.e. what is printed with:

    ruby -e "p RUBY_RELEASE_DATE"

The current CVS version of ruby does not "blow up real fast" with the
"+=" case of your test program below.  Perhaps you are encountering a
bug that has been since fixed?

>   s = ""
>   100000.times { |i|
>     s << "fred\n"  # this completes in less than 1 second
>     #s += "fred\n"  # this blows up real fast
>   }


-- 
matt