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Re: frozendict

References (7 earlier) <mailman.5597.1328805384.27778.python-list@python.org> <4f3471e9$0$29986$c3e8da3$5496439d@news.astraweb.com> <CAOFbRmJN=XicYeUjN9+a800FqvRGigA4p_88mU=Pj1ZRtcgwfw@mail.gmail.com> <CAPTjJmrjjmxgPctMfz-69KN_BHYjpR+=VRHoX-efdMh_fBTyVQ@mail.gmail.com> <CAOFbRmJSntQUtt3_ooWZ12RiEW_pYdxehgr7GzYU-NvD7py9DQ@mail.gmail.com>
Date 2012-02-10 09:00 -0800
Subject Re: frozendict
From Chris Rebert <clp2@rebertia.com>
Newsgroups comp.lang.python
Message-ID <mailman.5671.1328893258.27778.python-list@python.org> (permalink)

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On Fri, Feb 10, 2012 at 8:53 AM, Nathan Rice
<nathan.alexander.rice@gmail.com> wrote:
<snip>
> Lets also not forget that knowing an object is immutable lets you do a
> lot of optimizations; it can be inlined, it is safe to convert to a
> contiguous block of memory and stuff in cache, etc.  If you know the
> input to a function is guaranteed to be frozen you can just go crazy.
> Being able to freeze(anyobject) seems like a pretty clear win.
> Whether or not it is pythonic is debatable.  I'd argue if the meaning
> of pythonic in some context is limiting, we should consider updating
> the term rather than being dogmatic.

It's been proposed previously and rejected:
PEP 351 -- The freeze protocol
http://www.python.org/dev/peps/pep-0351/

Cheers,
Chris

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Re: frozendict Nathan Rice <nathan.alexander.rice@gmail.com> - 2012-02-08 22:43 -0500
  Re: frozendict Duncan Booth <duncan.booth@invalid.invalid> - 2012-02-09 10:33 +0000
    Re: frozendict Nathan Rice <nathan.alexander.rice@gmail.com> - 2012-02-09 09:36 -0500
      Re: frozendict Duncan Booth <duncan.booth@invalid.invalid> - 2012-02-09 14:52 +0000
        Re: frozendict Nathan Rice <nathan.alexander.rice@gmail.com> - 2012-02-09 10:19 -0500
          Re: frozendict Duncan Booth <duncan.booth@invalid.invalid> - 2012-02-09 18:47 +0000
        Re: frozendict Ian Kelly <ian.g.kelly@gmail.com> - 2012-02-09 09:35 -0700
          Re: frozendict Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-02-10 01:24 +0000
            Re: frozendict Nathan Rice <nathan.alexander.rice@gmail.com> - 2012-02-09 21:30 -0500
            Re: frozendict Terry Reedy <tjreedy@udel.edu> - 2012-02-09 22:33 -0500
            Re: frozendict Chris Angelico <rosuav@gmail.com> - 2012-02-10 21:08 +1100
            Re: frozendict Nathan Rice <nathan.alexander.rice@gmail.com> - 2012-02-10 11:53 -0500
            Re: frozendict Chris Rebert <clp2@rebertia.com> - 2012-02-10 09:00 -0800
            Re: frozendict Nathan Rice <nathan.alexander.rice@gmail.com> - 2012-02-10 13:14 -0500
              Re: frozendict John Nagle <nagle@animats.com> - 2012-02-10 10:57 -0800
                Re: frozendict 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-10 21:52 -0800
                Re: frozendict John Nagle <nagle@animats.com> - 2012-02-13 13:15 -0800
        Re: frozendict Nathan Rice <nathan.alexander.rice@gmail.com> - 2012-02-09 11:50 -0500

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