From: Sam Bull Date: Sun, 1 May 2022 04:40:27 +0000 (+0100) Subject: typing docs: Add example for async functions (#20386) X-Git-Tag: v3.11.0b1~153 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9588f880a286a8cc5597188f6ab44108c8f18761;p=thirdparty%2FPython%2Fcpython.git typing docs: Add example for async functions (#20386) Fixes python/typing#424 --- diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst index 426cbf12b8c9..868ea1b81be4 100644 --- a/Doc/library/typing.rst +++ b/Doc/library/typing.rst @@ -221,6 +221,10 @@ For example:: on_error: Callable[[int, Exception], None]) -> None: # Body + async def on_update(value: str) -> None: + # Body + callback: Callable[[str], Awaitable[None]] = on_update + It is possible to declare the return type of a callable without specifying the call signature by substituting a literal ellipsis for the list of arguments in the type hint: ``Callable[..., ReturnType]``.