[3.13] gh-142965: Fix Concatenate documentation to reflect valid use cases (GH-143316)#148900
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…ases (pythonGH-143316) The documentation previously stated that Concatenate is only valid when used as the first argument to Callable, but according to PEP 612, it can also be used when instantiating user-defined generic classes with ParamSpec parameters. (cherry picked from commit 75ff1af) Co-authored-by: John Seong <39040639+sandole@users.noreply.github.com>
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The documentation previously stated that Concatenate is only valid
when used as the first argument to Callable, but according to PEP 612,
it can also be used when instantiating user-defined generic classes
with ParamSpec parameters.
(cherry picked from commit 75ff1af)
Co-authored-by: John Seong 39040639+sandole@users.noreply.github.com
typing.Concatenate#142965📚 Documentation preview 📚: https://cpython-previews--148900.org.readthedocs.build/