document SandboxedNativeEnvironment pattern

diff --git a/docs/nativetypes.rst b/docs/nativetypes.rst
index 1a08700b08124791b69ccc1e40f6e0a1499dfbd4..fb2a76718a523febca85ed3a9e12f17c0a706645 100644 (file)
--- a/docs/nativetypes.rst
+++ b/docs/nativetypes.rst
@@ -55,6 +55,17 @@ Foo
 >>> print(result.value)
 15
 
+Sandboxed Native Environment
+----------------------------
+
+You can combine :class:`.SandboxedEnvironment` and :class:`NativeEnvironment` to
+get both behaviors.
+
+.. code-block:: python
+
+    class SandboxedNativeEnvironment(SandboxedEnvironment, NativeEnvironment):
+        pass
+
 API
 ---