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bpo-35224: Reverse evaluation order of key: value in dict comprehensions (GH-14139)

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… as proposed in PEP 572; key is now evaluated before value.





https://bugs.python.org/issue35224
This commit is contained in:
Jörn Heissler 2019-06-22 16:40:55 +02:00 • committed by Miss Islington (bot)
parent bb110cc2ed
commit c8a35417db
8 changed files with 53 additions and 7 deletions
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2
Lib/test/test_parser.py
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@ -473,6 +473,8 @@ class RoundtripLegalSyntaxTestCase(unittest.TestCase):
self.check_suite("foo(b := 2, a=1)")
self.check_suite("foo((b := 2), a=1)")
self.check_suite("foo(c=(b := 2), a=1)")
self.check_suite("{(x := C(i)).q: x for i in y}")
#
# Second, we take *invalid* trees and make sure we get ParserError