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gh-106780: Add __match_args__ to tutorial example (#106784)

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Add Point definition with this attribute before example
that needs it.
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Terry Jan Reedy 2023-07-16 23:36:03 -04:00 • committed by GitHub
parent babb22da5a
commit 7aa89e505d
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Doc/tutorial/controlflow.rst
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@ -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. (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 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: match points:
case []: case []: