[Python-checkins] python/dist/src/Modules collectionsmodule.c, 1.17, 1.18

[rhettinger at users.sourceforge.net]

Update of /cvsroot/python/python/dist/src/Modules
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv4683

Modified Files:
	collectionsmodule.c 
Log Message:
Add a comment with implementation notes.

Index: collectionsmodule.c
===================================================================
RCS file: /cvsroot/python/python/dist/src/Modules/collectionsmodule.c,v
retrieving revision 1.17
retrieving revision 1.18
diff -C2 -d -r1.17 -r1.18
*** collectionsmodule.c	17 Jun 2004 18:27:16 -0000	1.17
--- collectionsmodule.c	26 Jun 2004 04:42:06 -0000	1.18
***************
*** 360,363 ****
--- 360,370 ----
  }
  
+ /* delitem() implemented in terms of rotate for simplicity and reasonable
+    performance near the end points.  If for some reason this method becomes
+    popular, it is not hard to re-implement this using direct data movement 
+    (similar to code in list slice assignment) and achieve a two or threefold
+    performance boost.
+ */
+ 
  static int
  deque_del_item(dequeobject *deque, int i)