DuplicateLabelError
===================

.. cpp:class:: pandas::DuplicateLabelError

   pandas C++ class.

Example
-------

.. code-block:: cpp

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

   // Use DuplicateLabelError
   DuplicateLabelError obj;
   // ... operations ...

Constructors
------------

.. list-table::
   :widths: 55 25 20
   :header-rows: 1

   * - Signature
     - Location
     - Example
   * - ``explicit DuplicateLabelError(const std::string& msg) : std::runtime_error(msg)``
     - pd_exceptions.h:72
     - :ref:`View <example-duplicatelabelerror-duplicatelabelerror-0>`
   * - ``explicit DuplicateLabelError(const char\* msg) : std::runtime_error(msg)``
     - pd_exceptions.h:73
     - :ref:`View <example-duplicatelabelerror-duplicatelabelerror-1>`


Code Examples
-------------

The following examples are extracted from the test suite.

.. _example-duplicatelabelerror-duplicatelabelerror-0:

.. dropdown:: DuplicateLabelError (pd_test_5_all.cpp:72295)
   :class-title: example-dropdown

   .. code-block:: cpp
      :linenos:
      :lineno-start: 72285
      :emphasize-lines: 11

      }
      
      void case_6_throw_via_registry(int& local_fail) {
          std::cout << "-- case_6_throw_via_registry\n";
          std::string caught;
          try {
              // DuplicateLabelError currently lives in pandasPython/
              // bindings_common.h; plan_88a moves it into pandas::. If
              // plan_88a hasn't landed yet this is a compile error and
              // documents the dependency.
              throw pandas::DuplicateLabelError(
                  std::string(pandas::error_messages::kCannotReindexDuplicate));
          } catch (const std::exception& e) {
              caught = e.what();
          }
          check_eq_str(
              "case_6.DuplicateLabelError_round_trip",
              "cannot reindex on an axis with duplicate labels",
              caught,
              local_fail);
      }

.. _example-duplicatelabelerror-duplicatelabelerror-1:

.. dropdown:: DuplicateLabelError (pd_test_5_all.cpp:72295)
   :class-title: example-dropdown

   .. code-block:: cpp
      :linenos:
      :lineno-start: 72285
      :emphasize-lines: 11

      }
      
      void case_6_throw_via_registry(int& local_fail) {
          std::cout << "-- case_6_throw_via_registry\n";
          std::string caught;
          try {
              // DuplicateLabelError currently lives in pandasPython/
              // bindings_common.h; plan_88a moves it into pandas::. If
              // plan_88a hasn't landed yet this is a compile error and
              // documents the dependency.
              throw pandas::DuplicateLabelError(
                  std::string(pandas::error_messages::kCannotReindexDuplicate));
          } catch (const std::exception& e) {
              caught = e.what();
          }
          check_eq_str(
              "case_6.DuplicateLabelError_round_trip",
              "cannot reindex on an axis with duplicate labels",
              caught,
              local_fail);
      }