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[Python-ideas] Extension of python/json syntax to support explicitly sets and ordered dict.

rymg19 at gmail.com rymg19 at gmail.com
Thu Sep 7 14:35:14 EDT 2017 
IIRC in CPython 3.6 and PyPy dicts are ordered based on insertion anyway;
although it's an implementation-specific detail, realistically it removes
some of the use cases for ordered dictionary literals.


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Ryan (ライアン)
Yoko Shimomura, ryo (supercell/EGOIST), Hiroyuki Sawano >> everyone
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On Sep 7, 2017 at 6:40 AM, <Matteo Nastasi <nastasi at alternativeoutput.it>>
wrote:

Hi all,

few days ago I thought about a way to rapresent sets and
ordered dicts using a json compatible syntax, these are my conclusions:

A set could be defined as { item1, item2, item3[...] }
    with {,} as an empty set

An ordered dict could be defined as [ item1: value1, item2: value2 ... ]
    with [:] ase an empty odered dict

It could be used inside python code or to serialize python structures in
a json-like format (pyson maybe ?).

What do you think about ?

  Kind regards, Matteo.

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