feat: py::type::of<T>() and py::type::of(h) (#2364)
* feat: type<T>()
* refactor: using py::type as class
* refactor: py::object as base
* wip: tigher api
* refactor: fix conversion and limit API further
* docs: some added notes from @EricCousineau-TRI
* refactor: use py::type::of
diff --git a/docs/advanced/cast/index.rst b/docs/advanced/cast/index.rst
index 724585c..3ce9ea0 100644
--- a/docs/advanced/cast/index.rst
+++ b/docs/advanced/cast/index.rst
@@ -1,3 +1,5 @@
+.. _type-conversions:
+
Type conversions
################