[Python-Dev] AutoNumber Enum

[Wes Turner]

It may be worth mentioning that pandas Categoricals are mutable and
zero-based:
https://pandas-docs.github.io/pandas-docs-travis/categorical.html

Serialization to SQL and CSV is (also?) lossy, though:
-
https://pandas-docs.github.io/pandas-docs-travis/categorical.html#getting-data-in-out
-
https://pandas-docs.github.io/pandas-docs-travis/io.html#io-stata-categorical
On 06/29/2016 03:40 PM, Roberto Martínez wrote:

Why the 'start' parameter default is 1? 0 (zero) is more consistent with
> other parts of the language: indexes, enumerate, range...
>

An excerpt from [1]:

The reason for defaulting to 1 as the starting number and not 0 is that 0
> is False in a boolean sense, but enum members all evaluate to True.
>

--
~Ethan~


[1] https://docs.python.org/3/library/enum.html#functional-api

_______________________________________________
Python-Dev mailing list
Python-Dev at python.org
https://mail.python.org/mailman/listinfo/python-dev
Unsubscribe:
https://mail.python.org/mailman/options/python-dev/wes.turner%40gmail.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/python-dev/attachments/20160630/75b85b8f/attachment.html>