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bpo-42128: Structural Pattern Matching (PEP 634) (GH-22917)

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Co-authored-by: Guido van Rossum <guido@python.org>
Co-authored-by: Talin <viridia@gmail.com>
Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
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Brandt Bucher 2021-02-26 14:51:55 -08:00 • committed by GitHub
parent cc02b4f2e8
commit 145bf269df
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43 changed files with 10867 additions and 2607 deletions
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16
Lib/test/test_dataclasses.py
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@ -3375,5 +3375,21 @@ class TestAbstract(unittest.TestCase):
self.assertRaisesRegex(TypeError, msg, Date)
class TestMatchArgs(unittest.TestCase):
def test_match_args(self):
@dataclass
class C:
a: int
self.assertEqual(C(42).__match_args__, ('a',))
def test_explicit_match_args(self):
ma = []
@dataclass
class C:
a: int
__match_args__ = ma
self.assertIs(C(42).__match_args__, ma)
if __name__ == '__main__':
unittest.main()