New submission from Robert Einhorn <[email protected]>:
This is probably not an error and I may misinterpret the PEP 617, but I don't
know what the ~ PEG operator means in the next rule if there is no alternative:
assignment_expression:
| NAME ':=' ~ expression
And similarly with this rule if there is no more alternative:
assignment:
| NAME ':' expression ['=' annotated_rhs ]
| ('(' single_target ')'
| single_subscript_attribute_target) ':' expression ['=' annotated_rhs
]
| (star_targets '=' )+ (yield_expr | star_expressions) !'=' [TYPE_COMMENT]
| single_target augassign ~ (yield_expr | star_expressions)
Related links:
https://docs.python.org/3/reference/grammar.html
https://www.python.org/dev/peps/pep-0617/#id9
----------
components: Parser
messages: 411360
nosy: RobEin, lys.nikolaou, pablogsal
priority: normal
severity: normal
status: open
title: ~ PEG operator in the grammar
versions: Python 3.10
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<https://bugs.python.org/issue46485>
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