[Python-Dev] defaultdict proposal round three (original) (raw)

Raymond Hettinger python at rcn.com
Tue Feb 21 20:33:53 CET 2006


Then you will likely be happy with Guido's current version of the patch.

----- Original Message ----- From: "Crutcher Dunnavant" <crutcher at gmail.com> To: "Raymond Hettinger" <python at rcn.com> Cc: "Python Dev" <python-dev at python.org> Sent: Monday, February 20, 2006 8:57 PM Subject: Re: [Python-Dev] defaultdict proposal round three

in two ways:

  1. dict.get doesn't work for object dicts or in exec/eval contexts, and
  2. dict.get requires me to generate the default value even if I'm not going to use it, a process which may be expensive.

On 2/20/06, Raymond Hettinger <python at rcn.com> wrote:

[Crutcher Dunnavant ] >> There are many times that I want d[key] to give me a value even when >> it isn't defined, but that doesn't always mean I want to save that >> value in the dict.

How does that differ from the existing dict.get method?

Raymond

-- Crutcher Dunnavant <crutcher at gmail.com> littlelanguages.com monket.samedi-studios.com



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