[Patches] [ python-Patches-456949 ] clear() method for lists

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Patches item #456949, was opened at 2001-08-30 12:03
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Category: core (C code)
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Tomas Styblo (tripiecz)
Assigned to: Nobody/Anonymous (nobody)
Summary: clear() method for lists

Initial Comment:
Hello.

A patch which adds the clear() method to lists is 
appended to this message. It's for the current CVS of 
listobject.c.

Motivation:
    - Dictionaries have this method. For sake of 
consistence, lists should have it too.
    - Python 2.2 attempts to somewhat unify interface 
to dictionaries and interface to lists: iterators and 
compatibility of the 'in' operator with dictionaries 
are good examples.
    - 'L.clear()' is far more readable then 'del L[:]'
    - Lists in Java have it too. :-)
    - It was easy to implement, there already exists 
tp_clear for lists.
    
Any objections against the patch ?


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>Comment By: Guido van Rossum (gvanrossum)
Date: 2001-08-30 12:13

Message:
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user_id=6380

The consistency argument is bogus -- the APIs for lists and
dicts are almost entirely distinct.

The tp_clear slot is for internal use by the garbage
collector.

Rejected.

If you want to help, please search through PEP 42 for
projects.

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