From: Eric V. Smith <ericvsmith@users.noreply.github.com>
Date: Sun, 28 Jan 2018 01:30:37 +0000 (-0500)
Subject: Pep 557 What's New (GH-5371)
X-Git-Tag: v3.7.0b1~68
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c4b1248308f051146a50ecc5e31d85d794dc8d05;p=python

Pep 557 What's New (GH-5371)

Add PEP 557 Data CLasses to What's New.
---

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
 ----------------------------