Method to_string

Source/Utils/json.hpp:11598–11606

! @brief return a string representation of the JSON pointer @invariant For each JSON pointer `ptr`, it holds: @code {.cpp} ptr == json_pointer(ptr.to_string()); @endcode @return a string representation of the JSON pointer @liveexample{The example shows the result of `to_string`.,json_pointer__to_string} @since version 2.0.0

        @since version 2.0.0
        */
        std::string to_string() const
        {
            return std::accumulate(reference_tokens.begin(), reference_tokens.end(),
                std::string{},
                [](const std::string& a, const std::string& b)
                {
                    return a + "/" + escape(b);
                });
        }

        /// @copydoc to_string()
        operator std::string() const