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grammar: accept open sequences on match subject (GH-2639)
[etc/vim.git] / src / blib2to3 / Grammar.txt
index 49680323d8b8fe83c98bee1940ee4e1d1e1f94d1..de9a6a2283fe3a26bde755cbd765a989b0b47180 100644 (file)
@@ -186,6 +186,7 @@ arglist: argument (',' argument)* [',']
 # that precede iterable unpackings are blocked; etc.
 argument: ( test [comp_for] |
             test ':=' test |
+            test 'as' test |
             test '=' test |
            '**' test |
             '*' test )
@@ -237,7 +238,7 @@ yield_arg: 'from' test | testlist_star_expr
 # to reformat them.
 
 match_stmt: "match" subject_expr ':' NEWLINE INDENT case_block+ DEDENT
-subject_expr: namedexpr_test
+subject_expr: namedexpr_test (',' namedexpr_test)* [',']
 
 # cases
 case_block: "case" patterns [guard] ':' suite