Function to_json

Source/Utils/json.hpp:4213–4216

        template<typename BasicJsonType, typename T,
            enable_if_t<std::is_same<T, typename BasicJsonType::boolean_t>::value, int> = 0>
            void to_json(BasicJsonType& j, T b) noexcept
        {
            external_constructor<value_t::boolean>::construct(j, b);
        }

        template<typename BasicJsonType, typename CompatibleString,
            enable_if_t<std::is_constructible<typename BasicJsonType::string_t, CompatibleString>::value, int> = 0>