Flags

class pandas::Flags

Utility class for pandas operations.

Example

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

// Use Flags
Flags obj;
// ... operations ...

Constructors

Signature	Location	Example
Flags() = default	pd_flags.h:35	View
Flags(const Flags&) = default	pd_flags.h:50	View
Flags(Flags&&) = default	pd_flags.h:55	View

Other Methods

Signature	Return Type	Location	Example
void reset()	void	pd_flags.h:85	View

Code Examples

The following examples are extracted from the test suite.

Flags (pd_test_1_all.cpp:16410)

                throw std::runtime_error("pd_test_ndframe_series_flags failed: default allows_duplicate_labels");
            }

            passed = s.flags().copy_on_write == false;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_series_flags() : default copy_on_write" << std::endl;
                throw std::runtime_error("pd_test_ndframe_series_flags failed: default copy_on_write");
            }

            // Test set_flags
            s.set_flags(pandas::Flags(false, true));
            passed = s.flags().allows_duplicate_labels == false;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_series_flags() : set allows_duplicate_labels" << std::endl;
                throw std::runtime_error("pd_test_ndframe_series_flags failed: set allows_duplicate_labels");
            }

            passed = s.flags().copy_on_write == true;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_series_flags() : set copy_on_write" << std::endl;
                throw std::runtime_error("pd_test_ndframe_series_flags failed: set copy_on_write");

Flags (pd_test_1_all.cpp:16410)

                throw std::runtime_error("pd_test_ndframe_series_flags failed: default allows_duplicate_labels");
            }

            passed = s.flags().copy_on_write == false;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_series_flags() : default copy_on_write" << std::endl;
                throw std::runtime_error("pd_test_ndframe_series_flags failed: default copy_on_write");
            }

            // Test set_flags
            s.set_flags(pandas::Flags(false, true));
            passed = s.flags().allows_duplicate_labels == false;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_series_flags() : set allows_duplicate_labels" << std::endl;
                throw std::runtime_error("pd_test_ndframe_series_flags failed: set allows_duplicate_labels");
            }

            passed = s.flags().copy_on_write == true;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_series_flags() : set copy_on_write" << std::endl;
                throw std::runtime_error("pd_test_ndframe_series_flags failed: set copy_on_write");

Flags (pd_test_1_all.cpp:16410)

                throw std::runtime_error("pd_test_ndframe_series_flags failed: default allows_duplicate_labels");
            }

            passed = s.flags().copy_on_write == false;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_series_flags() : default copy_on_write" << std::endl;
                throw std::runtime_error("pd_test_ndframe_series_flags failed: default copy_on_write");
            }

            // Test set_flags
            s.set_flags(pandas::Flags(false, true));
            passed = s.flags().allows_duplicate_labels == false;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_series_flags() : set allows_duplicate_labels" << std::endl;
                throw std::runtime_error("pd_test_ndframe_series_flags failed: set allows_duplicate_labels");
            }

            passed = s.flags().copy_on_write == true;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_series_flags() : set copy_on_write" << std::endl;
                throw std::runtime_error("pd_test_ndframe_series_flags failed: set copy_on_write");

reset (pd_test_1_all.cpp:16254)

            // Test copy
            pandas::Flags f4 = f2;
            passed = f4 == f2;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_flags() : copy constructor" << std::endl;
                throw std::runtime_error("pd_test_ndframe_flags failed: copy constructor");
            }

            // Test reset
            f4.reset();
            passed = f4.allows_duplicate_labels == true && f4.copy_on_write == false;
            if (!passed) {
                std::cout << "  [FAIL] : in pd_test_ndframe_flags() : reset()" << std::endl;
                throw std::runtime_error("pd_test_ndframe_flags failed: reset()");
            }

            std::cout << " -> tests passed" << std::endl;
        }

        // =====================================================================