ItemsRange
==========

.. cpp:class:: numpy::ItemsRange

   numpy C++ class.

Example
-------

.. code-block:: cpp

   #include <numpy/np_ndarray.h>
   using namespace numpy;

   // Use ItemsRange
   ItemsRange obj;
   // ... operations ...

Other Methods
-------------

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

   * - Signature
     - Return Type
     - Location
     - Example
   * - ``ItemsIterator begin() const``
     - ItemsIterator
     - df_dataframe.h:1011
     - :ref:`View <example-itemsrange-begin-0>`
   * - ``explicit ItemsRange(const DataFrame\* df) : df\_(df)``
     - explicit ItemsRange(const DataFrame\* df) :
     - df_dataframe.h:1009
     - 
   * - ``ItemsIterator end() const``
     - ItemsIterator
     - df_dataframe.h:1015
     - :ref:`View <example-itemsrange-end-1>`


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

The following examples are extracted from the test suite.

.. _example-itemsrange-begin-0:

.. dropdown:: begin (np_test_1_all.cpp:6171)
   :class-title: example-dropdown

   .. code-block:: cpp
      :linenos:
      :lineno-start: 6161
      :emphasize-lines: 11

          // Test sorted data generation
          std::vector<int> data = gen.generate(50, DataPattern::SORTED);
      
          if (!(data.size() == 50)) {
              std::string description = std::string("test_data_generator_sortedBenchmarkSorting():") + __FILE__ + ":" + std::to_string(__LINE__) + ": !(data.size() == 50)";
              std::cout << std::string("[FAIL] ") + description << std::endl;
              throw std::runtime_error(description);
          }
      
          // Verify data is sorted
          if (!(std::is_sorted(data.begin(), data.end()))) {
              std::string description = std::string("test_data_generator_sortedBenchmarkSorting():") + __FILE__ + ":" + std::to_string(__LINE__) + ": !(std::is_sorted(data.begin(), data.end()))";
              std::cout << std::string("[FAIL] ") + description << std::endl;
              throw std::runtime_error(description);
          }
      
          // std::cout << "Sorted data generation test passed" << std::endl;
      
          std::cout << " -> tests passed" << std::endl;
      }
      

.. _example-itemsrange-end-1:

.. dropdown:: end (np_test_1_all.cpp:6171)
   :class-title: example-dropdown

   .. code-block:: cpp
      :linenos:
      :lineno-start: 6161
      :emphasize-lines: 11

          // Test sorted data generation
          std::vector<int> data = gen.generate(50, DataPattern::SORTED);
      
          if (!(data.size() == 50)) {
              std::string description = std::string("test_data_generator_sortedBenchmarkSorting():") + __FILE__ + ":" + std::to_string(__LINE__) + ": !(data.size() == 50)";
              std::cout << std::string("[FAIL] ") + description << std::endl;
              throw std::runtime_error(description);
          }
      
          // Verify data is sorted
          if (!(std::is_sorted(data.begin(), data.end()))) {
              std::string description = std::string("test_data_generator_sortedBenchmarkSorting():") + __FILE__ + ":" + std::to_string(__LINE__) + ": !(std::is_sorted(data.begin(), data.end()))";
              std::cout << std::string("[FAIL] ") + description << std::endl;
              throw std::runtime_error(description);
          }
      
          // std::cout << "Sorted data generation test passed" << std::endl;
      
          std::cout << " -> tests passed" << std::endl;
      }