[Python-Dev] dict.discard

Fred L. Drake, Jr. fdrake at acm.org
Thu Sep 21 15:49:25 CEST 2006

On Thursday 21 September 2006 09:42, Gustavo Niemeyer wrote:
 > After trying to use it a few times with no success :-), I'd like
 > to include a new method, dict.discard, mirroring set.discard:
 >   >>> print set.discard.__doc__
 >   Remove an element from a set if it is a member.
 >   If the element is not a member, do nothing.

Would the argument be the key, or the pair?  I'd guess the key.

If so, there's the 2-arg flavor of dict.pop():

  >>> d = {}
  >>> d.pop("key", None)

It's not terribly obvious, but does the job without enlarging the dict API.


Fred L. Drake, Jr.   <fdrake at acm.org>

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