From 48d7639f8f76010cc4e38f6ec8bbeae9d04e9cfa Mon Sep 17 00:00:00 2001
From: Sam Bull <aa6bs0@sambull.org>
Date: Mon, 25 May 2020 15:55:35 +0100
Subject: [PATCH] Add example for async functions.

Fixes: https://github.com/python/typing/issues/424
---
 Doc/library/typing.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst
index fa13c07c44ea3a..d9605348536316 100644
--- a/Doc/library/typing.rst
+++ b/Doc/library/typing.rst
@@ -165,6 +165,10 @@ 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]``.