Issue1052913

classification

Title:	difference in behavior when comparing the empty tuple
Type:		Severity:	normal
Components:	Core	Versions:
		Milestone:

process

Status:	closed	Resolution:	wont fix
Dependencies:		Superseder:
Assigned To:		Nosy List:	pedronis
Priority:	normal	Keywords:

Created on 2004-10-23.20:47:53 by anonymous, last changed 2004-10-23.22:00:37 by pedronis.

Messages
msg944 (view)	Author: Nobody/Anonymous (nobody)	Date: 2004-10-23.20:47:53
Examples with various implementations of Python comparing the empty tuple to itself. Jython 2.1 on java1.4.2_05 (JIT: null) Type "copyright", "credits" or "license" for more information. >>> () is () 0 Python 2.3.4 (#53, May 25 2004, 21:17:02) [MSC v.1200 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> () is () True Python 2.2.3 (#42, May 30 2003, 18:12:08) [MSC 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> () is () 1 Python 1.5.2 (#0, Jun 10 2002, 15:44:54) [MSC 32 bit (Intel)] on win32 Copyright 1991-1995 Stichting Mathematisch Centrum, Amsterdam >>> () is () 1
msg945 (view)	Author: Samuele Pedroni (pedronis)	Date: 2004-10-23.22:00:37
Logged In: YES user_id=61408 the fact that the empty tuple is a singleton in CPython is an implementation detail.

History
Date	User	Action	Args
2004-10-23 20:47:53	anonymous	create