ExtensionIndexHash
==================

.. cpp:class:: pandas::ExtensionIndexHash

   pandas C++ class.

Example
-------

.. code-block:: cpp

   #include <pandas/pandas.h>
   using namespace pandas;

   // Create ExtensionIndexHash
   ExtensionIndexHash<int64_t> idx({1, 2, 3}, "my_index");
   size_t len = idx.size();

Operators
---------

.. list-table::
   :widths: 40 25 15 20
   :header-rows: 1

   * - Signature
     - Return Type
     - Location
     - Example
   * - ``size_t operator()(const T &val)``
     - size_t
     - PD_EXTENSION_INDEX.H:109
     - 
   * - ``size_t operator()(const std::optional<T>&val)``
     - size_t
     - PD_EXTENSION_INDEX.H:117
     - 
   * - ``size_t operator()(const std::pair<T,T>&val)``
     - size_t
     - PD_EXTENSION_INDEX.H:128
     - 
   * - ``size_t operator()(const numpy::datetime64 &val)``
     - size_t
     - PD_EXTENSION_INDEX.H:138
     - 
   * - ``size_t operator()(const numpy::timedelta64 &val)``
     - size_t
     - PD_EXTENSION_INDEX.H:146
     -