PEP 827: Wrap the new-style extended callables in a Params argument#4866
Merged
1st1 merged 2 commits intopython:mainfrom Mar 19, 2026
Merged
PEP 827: Wrap the new-style extended callables in a Params argument#48661st1 merged 2 commits intopython:mainfrom
1st1 merged 2 commits intopython:mainfrom
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This Params argument can be thought of as kind of being the bound for ParamSpec, and makes it easy to distinguish when the extended system is being used.
dnwpark
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Mar 18, 2026
msullivan
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Mar 18, 2026
The type serves as a quasi-bound on ParamSpec. See python/peps#4866
1st1
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Mar 19, 2026
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This Params argument can be thought of as kind of being the bound for
ParamSpec, and makes it easy to distinguish when the extended system
is being used.
PEP 123: Summary of changes)📚 Documentation preview 📚: https://pep-previews--4866.org.readthedocs.build/