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gh-114104: clarify asynchronous comprehension docs to match runtime behavior #121175

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Jul 1, 2024
Merged

gh-114104: clarify asynchronous comprehension docs to match runtime behavior #121175

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77e129f
clarify wording on asynchronous generator docs
yangdanny97 Jun 30, 2024
4a32057
remove trailing whitespace
yangdanny97 Jun 30, 2024
b2fd334
update wording
yangdanny97 Jun 30, 2024
e87692d
clarify that async comprehensions are allowed in the leftmost for clause
yangdanny97 Jul 1, 2024
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Merge branch 'main' into main
yangdanny97 Jul 1, 2024
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10 changes: 6 additions & 4 deletions Doc/reference/expressions.rst
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Expand Up @@ -218,10 +218,12 @@ A comprehension in an :keyword:`!async def` function may consist of either a
:keyword:`!for` or :keyword:`!async for` clause following the leading
expression, may contain additional :keyword:`!for` or :keyword:`!async for`
clauses, and may also use :keyword:`await` expressions.
If a comprehension contains either :keyword:`!async for` clauses or
:keyword:`!await` expressions or other asynchronous comprehensions it is called
an :dfn:`asynchronous comprehension`. An asynchronous comprehension may
suspend the execution of the coroutine function in which it appears.

If a comprehension contains :keyword:`!async for` clauses, or if it contains
:keyword:`!await` expressions or other asynchronous comprehensions anywhere except
the iterable expression in the leftmost :keyword:`!for` clause, it is called an
:dfn:`asynchronous comprehension`. An asynchronous comprehension may suspend the
execution of the coroutine function in which it appears.
See also :pep:`530`.

.. versionadded:: 3.6
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