[Python-checkins] r42298 - peps/trunk/pep-0357.txt

[guido.van.rossum]

Author: guido.van.rossum
Date: Thu Feb  9 23:26:00 2006
New Revision: 42298

Modified:
   peps/trunk/pep-0357.txt
Log:
Update from Travis -- move to make it a numeric slot.


Modified: peps/trunk/pep-0357.txt
==============================================================================
--- peps/trunk/pep-0357.txt	(original)
+++ peps/trunk/pep-0357.txt	Thu Feb  9 23:26:00 2006
@@ -10,7 +10,7 @@
 
 Abstract
 
-  This PEP proposes adding an sq_index slot in PySequenceMethods and
+  This PEP proposes adding an nb_as_index slot in PyNumberMethods and
   an __index__ special method so that arbitrary objects can be used
   in slice syntax.
 
@@ -32,20 +32,21 @@
 
 Proposal
 
-  Add a sq_index slot to PySequenceMethods, and a corresponding
+  Add a nb_index slot to PyNumberMethods, and a corresponding
   __index__ special method.  Objects could define a function to
-  place in the sq_index slot that returns an C-integer for use in
-  PySequence_GetSlice, PySequence_SetSlice, and PySequence_DelSlice.
+  place in the sq_index slot that returns an appropriate
+  C-integer for use as ilow or ihigh in PySequence_GetSlice,
+  PySequence_SetSlice, and PySequence_DelSlice.
 
 Implementation Plan
 
   1) Add the slots
 
-  2) Change the ISINT macro in ceval.c to accomodate objects with the
-  index slot defined.
+  2) Change the ISINT macro in ceval.c to ISINDEX and alter it to
+     accomodate objects with the index slot defined.
 
   3) Change the _PyEval_SliceIndex function to accomodate objects
-  with the index slot defined.
+     with the index slot defined.
 
 Possible Concerns