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Improve the repr() of _marker #174

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Merged
JelleZijlstra merged 2 commits into from
May 22, 2023
Merged

Improve the repr() of _marker #174

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Improve the repr() of `_marker`
AlexWaygood May 22, 2023
89cc82d
Update src/typing_extensions.py
AlexWaygood May 22, 2023
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8 changes: 7 additions & 1 deletion src/typing_extensions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,13 @@
# The functions below are modified copies of typing internal helpers.
# They are needed by _ProtocolMeta and they provide support for PEP 646.

_marker = object()

class _Sentinel:
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def __repr__(self):
return "<sentinel>"


_marker = _Sentinel()


def _check_generic(cls, parameters, elen=_marker):
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