From 2f7952c35b8fb2487cb9749081d2c0c604d41107 Mon Sep 17 00:00:00 2001 From: Shantanu <12621235+hauntsaninja@users.noreply.github.com> Date: Fri, 29 Apr 2022 21:13:21 -0600 Subject: Rephrase typing.assert_never docs (#92061) This change is similar to that in #32069 --- Doc/library/typing.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Doc/library/typing.rst b/Doc/library/typing.rst index 0f31b90..426cbf1 100644 --- a/Doc/library/typing.rst +++ b/Doc/library/typing.rst @@ -2337,7 +2337,7 @@ Functions and decorators .. function:: assert_never(arg, /) - Assert to the type checker that a line of code is unreachable. + Ask a static type checker to confirm that a line of code is unreachable. Example:: @@ -2358,7 +2358,7 @@ Functions and decorators reachable, it will emit an error. For example, if the type annotation for ``arg`` was instead ``int | str | float``, the type checker would emit an error pointing out that ``unreachable`` is of type :class:`float`. - For a call to ``assert_never`` to succeed, the inferred type of + For a call to ``assert_never`` to pass type checking, the inferred type of the argument passed in must be the bottom type, :data:`Never`, and nothing else. -- cgit v0.12