Method size

extern/json/json.hpp:4694–4722

! @brief returns the number of elements Returns the number of elements in a JSON value. @return The return value depends on the different types and is defined as follows: Value type | return value ----------- | ------------- null | `0` boolean | `1` string | `1` number | `1`

    @since version 1.0.0
    */
    size_type size() const noexcept
    {
        switch (m_type)
        {
            case value_t::null:
            {
                // null values are empty
                return 0;
            }

            case value_t::array:
            {
                // delegate call to array_t::size()
                return m_value.array->size();
            }

            case value_t::object:
            {
                // delegate call to object_t::size()
                return m_value.object->size();
            }

            default:
            {
                // all other types have size 1
                return 1;
            }
        }
    }

    /*!
    @brief returns the maximum possible number of elements