Function from_node

example/cacheHierarchy/fkYAML/node.hpp:11560–11570

/// @param array An array object.
template <typename BasicNodeType, typename T, std::size_t N>
inline auto from_node(const BasicNodeType& n, T (&array)[N])
    -> decltype(n.get_value_inplace(std::declval<T&>()), void()) {
    if FK_YAML_UNLIKELY (!n.is_sequence()) {
        throw type_error("The target node value type is not sequence type.", n.get_type());
    }

    // call get_value_inplace(), not get_value(), since the storage to fill the result into is already created.
    for (std::size_t i = 0; i < N; i++) {
        n.at(i).get_value_inplace(array[i]);
    }
}

/// @brief from_node function for C-style 2D arrays whose element type must be a basic_node template instance type or a
/// compatible type.