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wapp_debug_assert(list != NULL && node != NULL && (node->item) != NULL, "`list`, `node` and `node->item` should not be NULL");
{ListType} node_list = {Tlower}_node_to_list(node);
if (list->node_count == 0) {{
*list = node_list;
return;
}}
list->node_count += node_list.node_count;
{NodeType} *first = list->first;
if (first) {{
first->prev = node_list.last;
}}
list->first = node_list.first;
node_list.last->next = first;