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PEP 675; Establish typing context in the Abstract (#2324)

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Petr Viktorin 2022-02-15 02:14:45 +01:00 committed by GitHub
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@ -15,11 +15,12 @@ Post-History:
Abstract Abstract
======== ========
There is currently no way to specify that a function parameter can be Using static type annotations, there is currently no way to specify
of any literal string type; we have to specify the precise literal that a function parameter can be of any literal string type.
string, such as ``Literal["foo"]``. This PEP introduces a supertype of We have to specify the precise literal string, such as
literal string types: ``LiteralString``. This allows a function to ``Literal["foo"]``. This PEP introduces a supertype of literal string
accept arbitrary literal string types, such as ``Literal["foo"]`` or types: ``LiteralString``. This allows a function to accept arbitrary
literal string types, such as ``Literal["foo"]`` or
``Literal["bar"]``. ``Literal["bar"]``.