On Thu, May 22, 2008 at 10:01 AM, Aahz <[EMAIL PROTECTED]> wrote: > On Thu, May 22, 2008, Facundo Batista wrote: >> >> A thread in PyAr raised the question that, considering that strings >> are immutable, why a slice of a string is a copy and not a reference >> to a part of that string. > > Someone did a patch for this at one point, but I don't remember what > happened.
I rejected it because I came up with a worst-case scenario where the behavior with the patch in place was much, much worse than the behavior without it -- improved performance in other scenarios notwithstanding. -- --Guido van Rossum (home page: http://www.python.org/~guido/) _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com