From 8ebcab0191bf1cae662d1048d7acb64ebd70a382 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Wed, 31 Jul 2024 16:20:10 -0500
Subject: [PATCH] Clarify that actx.array_types allows ABCs
---
arraycontext/context.py | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/arraycontext/context.py b/arraycontext/context.py
index 71121d2..3ccc357 100644
--- a/arraycontext/context.py
+++ b/arraycontext/context.py
@@ -75,8 +75,8 @@ actual array contexts:
.. currentmodule:: arraycontext
-The interface of an array context
----------------------------------
+The :class:`ArrayContext` Interface
+-----------------------------------
.. autoclass:: ArrayContext
@@ -278,8 +278,10 @@ class ArrayContext(ABC):
A :class:`tuple` of types that are the valid array classes the
context can operate on. However, it is not necessary that *all* the
- :class:`ArrayContext`\ 's operations would be legal for the types in
- *array_types*.
+ :class:`ArrayContext`\ 's operations are legal for the types in
+ *array_types*. Note that this tuple is *only* intended for use
+ with :func:`isinstance`. Other uses are not allowed. This allows
+ for 'types' with overridden :meth:`class.__instancecheck__`.
.. automethod:: freeze
.. automethod:: thaw
--
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