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Add TypeGuard (PEP 647 draft) #4879

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Merged
merged 2 commits into from
Dec 30, 2020
Merged

Add TypeGuard (PEP 647 draft) #4879

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3b52d93
Add TypeGuard (PEP 647 draft)
gvanrossum Dec 30, 2020
b3974b9
Fix typo
gvanrossum Dec 30, 2020
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1 change: 1 addition & 0 deletions stdlib/3/typing.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,7 @@ if sys.version_info >= (3, 10):
def __init__(self, name: str) -> None: ...
Concatenate: _SpecialForm = ...
TypeAlias: _SpecialForm = ...
TypeGuard: _SpecialForm = ...

# Return type that indicates a function does not return.
# This type is equivalent to the None type, but the no-op Union is necessary to
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3 changes: 3 additions & 0 deletions third_party/2and3/typing_extensions.pyi
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Expand Up @@ -112,3 +112,6 @@ else:
__name__: str
def __init__(self, name: str) -> None: ...
Concatenate: _SpecialForm = ...

# PEP 647
TypeGuard: _SpecialForm = ...