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WIP bpo-43892: Make match patterns explicit in AST - #25521
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* Separates "pattern" and "expr" nodes in AST * AST node names are derived from the AST proposed in PEP 642, except that MatchValue always matches by equality and a separate MatchConstant node is defined for matching by identity * Grammar definition has been updated to emit the newly defined AST nodes * TODO: update code generator to consume new nodes * TODO: update AST validator to consume new nodes * TODO: update AST unparser to consume new nodes
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in PEP 642, except that MatchValue always matches
by equality and a separate MatchConstant node is
defined for matching by identity
newly defined AST nodes
https://bugs.python.org/issue43892