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PEP 653: Change semantics to be closer to PEP 634, while keeping the important features of PEP 653. #1868

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Mar 12, 2021

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  • Change name of MATCH_CLASS to MATCH_POSITIONAL.
  • Drop __attributes__ and use __match_args__ instead.
    • For MATCH_DEFAULT, __match_args__ acts a map from positions to names.
    • For MATCH_POSITIONAL, __match_args__ acts a map from names to positions.
  • Change semantics of MATCH_DEFAULT when match class patterns to those of PEP 634.
  • Update translations.
  • Further expand examples

@markshannon markshannon force-pushed the pep-653-closer-to-634 branch from 49fa795 to c45b57c Compare March 12, 2021 17:17
@markshannon markshannon merged commit 3cc8633 into python:master Mar 12, 2021
@markshannon markshannon deleted the pep-653-closer-to-634 branch March 23, 2022 11:42
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