Function is_structured

Source/Utils/json.hpp:18869–18872

! @brief return whether type is structured This function returns true if and only if the JSON type is structured (array or object). @return `true` if type is structured (array or object), `false` otherwise. @complexity Constant. @exceptionsafety No-throw guarantee: this member function never throws exceptions. @liveexample{The fo

        @since version 1.0.0
        */
        constexpr bool is_structured() const noexcept
        {
            return is_array() || is_object();
        }

        /*!
        @brief return whether value is null