https://b.hatena.ne.jp/entry/s/github.com/ericvsmith/dataclasses Copyright 2017-2022 Eric V. Smith, all rights reserved. This is an implementation of PEP 557, Data Classes. It is a backport for Python 3.6. Because dataclasses will be included in Python 3.7, any ... https://b.hatena.ne.jp/boundaryline/20220104#bookmark-4662391039344746785 2022-01-04T02:49:44Z