[Python-checkins] gh-106780: Add __match_args__ to tutorial example (#106784)

Sun Jul 16 23:36:06 EDT 2023

https://github.com/python/cpython/commit/7aa89e505d893cd5e6f33b84d66e5fa769089931
commit: 7aa89e505d893cd5e6f33b84d66e5fa769089931
branch: main
author: Terry Jan Reedy <tjreedy at udel.edu>
committer: terryjreedy <tjreedy at udel.edu>
date: 2023年07月16日T23:36:03-04:00
summary:
gh-106780: Add __match_args__ to tutorial example (#106784)
Add Point definition with this attribute before example
that needs it.
files:
M Doc/tutorial/controlflow.rst

diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst
index 4336bf50df40a..e140f51f1dda7 100644
--- a/Doc/tutorial/controlflow.rst
+++ b/Doc/tutorial/controlflow.rst
@@ -343,7 +343,13 @@ Dotted names (like ``foo.bar``), attribute names (the ``x=`` and ``y=`` above) o
 (recognized by the "(...)" next to them like ``Point`` above) are never assigned to.
 
 Patterns can be arbitrarily nested. For example, if we have a short
-list of points, we could match it like this::
+list of Points, with ``__match_args__`` added, we could match it like this::
+
+ class Point:
+ __match_args__ = ('x', 'y')
+ def __init__(self, x, y):
+ self.x = x
+ self.y = y
 
 match points:
 case []:
