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Typing docs: improve the guidance on annotating tuples #106021

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Merged
merged 4 commits into from
Jun 23, 2023
Merged

Typing docs: improve the guidance on annotating tuples #106021

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Typing docs: improve the guidance on annotating tuples
AlexWaygood Jun 23, 2023
ca9014b
typo
AlexWaygood Jun 23, 2023
dad2a32
another typo
AlexWaygood Jun 23, 2023
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AlexWaygood Jun 23, 2023
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@AlexWaygood
AlexWaygood authored Jun 23, 2023
commit 8c792500f5c4a1ed1b1c1c67e1f633700e29101c
6 changes: 3 additions & 3 deletions 6 Doc/library/typing.rst
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Expand Up @@ -377,10 +377,10 @@ code for tuples to have elements which are not all of the same type. For this
reason, tuples are special-cased in Python's typing system. :class:`tuple`
accepts *any number* of type arguments::

# OK: x is assigned to a tuple of length 1 where the sole element is an int
# OK: ``x`` is assigned to a tuple of length 1 where the sole element is an int
x: tuple[int] = (5,)

# OK: y is assigned to a tuple of length 2;
# OK: ``y`` is assigned to a tuple of length 2;
# element 1 is an int, element 2 is a str
y: tuple[int, str] = (5, "foo")

Expand All @@ -400,7 +400,7 @@ of the same type ``T``, use ``tuple[T, ...]``. To denote an empty tuple, use
# This reassignment is an error: all elements in ``x`` must be ints
x = ("foo", "bar")

# y can only ever be assigned to an empty tuple
# ``y`` can only ever be assigned to an empty tuple
y: tuple[()] = ()

z: tuple = ("foo", "bar")
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