[Python-checkins] python/dist/src/Lib sets.py,1.10,1.11

[rhettinger@users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Lib
In directory usw-pr-cvs1:/tmp/cvs-serv7435

Modified Files:
	sets.py 
Log Message:
Sped ._update() method by factoring try/except out of the inner loop.


Index: sets.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/sets.py,v
retrieving revision 1.10
retrieving revision 1.11
diff -C2 -d -r1.10 -r1.11
*** sets.py	21 Aug 2002 03:20:44 -0000	1.10
--- sets.py	21 Aug 2002 04:12:03 -0000	1.11
***************
*** 281,291 ****
      def _update(self, iterable):
          # The main loop for update() and the subclass __init__() methods.
-         # XXX This can be optimized a bit by first trying the loop
-         # without setting up a try/except for each element.
          data = self._data
          value = True
!         for element in iterable:
              try:
!                 data[element] = value
              except TypeError:
                  transform = getattr(element, "_as_immutable", None)
--- 281,292 ----
      def _update(self, iterable):
          # The main loop for update() and the subclass __init__() methods.
          data = self._data
          value = True
!         it = iter(iterable)
!         while True:
              try:
!                 for element in it:
!                     data[element] = value
!                 return
              except TypeError:
                  transform = getattr(element, "_as_immutable", None)