From c4b1248308f051146a50ecc5e31d85d794dc8d05 Mon Sep 17 00:00:00 2001 From: "Eric V. Smith" Date: Sat, 27 Jan 2018 20:30:37 -0500 Subject: [PATCH] Pep 557 What's New (GH-5371) Add PEP 557 Data CLasses to What's New. --- Doc/whatsnew/3.7.rst | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/Doc/whatsnew/3.7.rst b/Doc/whatsnew/3.7.rst index 1ece6a3bef..5e355345e3 100644 --- a/Doc/whatsnew/3.7.rst +++ b/Doc/whatsnew/3.7.rst @@ -311,6 +311,24 @@ environment variable are added to control the UTF-8 mode. PEP written and implemented by Victor Stinner +.. _whatsnew37-pep557: + +PEP 557: Data Classes +--------------------- + +Adds a new module ``dataclasses``. It provides a class decorator +``dataclass`` which inspects the class's variable annotations (see +:pep:`526`) and using them, adds methods such as ``__init__``, +``__repr__``, and ``__eq__`` to the class. It is similar to +``typing.NamedTuple``, but also works on classes with mutable +instances, among other features. + +.. seealso:: + + :pep:`557` -- Data Classes + PEP written and implemented by Eric V. Smith + + New Development Mode: -X dev ---------------------------- -- 2.40.0