if constexpr()

in src/libraries/command_options/include/m/command_options/command_options.h [719:741]


                if constexpr (std::is_same_v<CharT, char>)
                {
                    it = std::format_to(it,
                        "Usage:\n"
                        "\n"
                        "    {} {{ ", filename2);

                    for (auto&& v : m_verbs)
                    {
                        it = std::format_to(it, "[{}] ", v->name());
                    }

                    it = std::format_to(it,
                        "}}\n"
                        "\n"
                        "Where:\n"
                        "\n");

                    for (auto&& v : m_verbs)
                    {
                        it = v->usage(it);
                    }
                }