StringFormatter

class pandas::StringFormatter

pandas C++ class.

Example

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

// Use StringFormatter
StringFormatter obj;
// ... operations ...

Constructors

Signature	Location	Example
StringFormatter(const DisplayConfig& opts, size_t line_width)	pd_string_formatter.h:42

I/O

Signature	Return Type	Location	Example
std::string to_string(strcols_t strcols, bool truncated_v, bool truncated_h, size_t tr_row_num, size_t tr_col_num, size_t n_header_rows, size_t n_index_cols, std::string_view info_line = "") const	std::string	pd_string_formatter.h:57	View

Other Methods

Signature	Return Type	Location	Example
size_t line_width() const	size_t	pd_string_formatter.h:46
const DisplayConfig& options() const	const DisplayConfig&	pd_string_formatter.h:45

Internal Methods

8 internal methods (prefixed with underscore)

Code Examples

The following examples are extracted from the test suite.

to_string (pd_test_1_all.cpp:2693)

        pandas::PeriodArray arr_m(std::vector<std::string>{
            "2020-01",
            "NaT",
            "2025-06"
        }, "M");

        // Year
        auto years = arr_m.year();
        auto y0 = years[0];
        if (!y0.has_value() || y0.value() != 2020) {
            std::cout << "  [FAIL] : year[0] should be 2020, got " << (y0.has_value() ? std::to_string(y0.value()) : "NA") << std::endl;
            throw std::runtime_error("pd_test_period_array_year_month_quarter failed: year[0]");
        }

        auto y1 = years[1];
        if (y1.has_value()) {
            std::cout << "  [FAIL] : year[1] should be NA (NaT)" << std::endl;
            throw std::runtime_error("pd_test_period_array_year_month_quarter failed: year[1] should be NA");
        }

        auto y2 = years[2];