[Python-Dev] optimizing non-local object access

Fred L. Drake, Jr. fdrake@acm.org
Thu, 9 Aug 2001 16:28:28 -0400 (EDT)

Skip Montanaro writes:
 > see x=x/2 and I know x is an int, I can assume x/2 is also (or a float once
 > integer division returns floats).  Once ints can be subclassed, a devious

  When division can return a float, it isn't integer division any
more.  ;-)  We can always assume int//int is an integer, though.  But
only if we really have integers; subclasses are different.


Fred L. Drake, Jr.  <fdrake at acm.org>
PythonLabs at Zope Corporation