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Groups > comp.lang.python > #10567
| From | Gregory Ewing <greg.ewing@canterbury.ac.nz> |
|---|---|
| Newsgroups | comp.lang.python |
| Subject | Re: NoneType and new instances |
| Date | 2011-07-30 14:50 +1200 |
| Message-ID | <99h9r1FprmU1@mid.individual.net> (permalink) |
| References | <mailman.1575.1311866659.1164.python-list@python.org> <4e320a02$0$29966$c3e8da3$5496439d@news.astraweb.com> |
Steven D'Aprano wrote: > As for True and False, bool has to be able to return them, because the whole > purpose of exposing bool is so people can call it: if bool(some_value) was > an error, that would defeat the purpose of having bool! Bool is different, because it doubles as a function for coercing things to bool. There's no corresponding concept of coercing something to None, or Ellipsis, etc. -- Greg
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NoneType and new instances Ethan Furman <ethan@stoneleaf.us> - 2011-07-28 08:39 -0700
Re: NoneType and new instances Billy Mays <81282ed9a88799d21e77957df2d84bd6514d9af6@myhashismyemail.com> - 2011-07-28 11:34 -0400
Re: NoneType and new instances Ben Finney <ben+python@benfinney.id.au> - 2011-07-29 07:46 +1000
Re: NoneType and new instances Ethan Furman <ethan@stoneleaf.us> - 2011-07-28 15:26 -0700
Re: NoneType and new instances Ben Finney <ben+python@benfinney.id.au> - 2011-07-29 09:52 +1000
Re: NoneType and new instances Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-07-29 11:16 +1000
Re: NoneType and new instances Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2011-07-30 14:50 +1200
Re: NoneType and new instances Terry Reedy <tjreedy@udel.edu> - 2011-07-30 09:35 -0400
Re: NoneType and new instances python@bdurham.com - 2011-07-30 11:43 -0400
Re: NoneType and new instances "bruno.desthuilliers@gmail.com" <bruno.desthuilliers@gmail.com> - 2011-07-30 09:39 -0700
Re: NoneType and new instances Terry Reedy <tjreedy@udel.edu> - 2011-07-30 23:34 -0400
Re: NoneType and new instances Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2011-07-31 14:28 +1000
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