dnn - Generic Double Linked List Node

Module Description

The dnn module implements a node in a dnl list.

Module Words

Node structure

dnn% ( -- n )

Get the required space for a dnn structure

dnn-init ( dnn -- )

Initialise the node

dnn-new ( -- dnn )

Create a new node on the heap

dnn-free ( dnn -- )

Free the node from the heap

dnn-next@ ( dnn1 -- dnn2 )

Get the next node dnn2 from node dnn1

dnn-next! ( dnn1 dnn2 -- )

Set for node dnn2 the next node to dnn1

dnn-prev@ ( dnn1 -- dnn2 )

Get from node dnn1 the previous node

dnn-prev! ( dnn1 dnn2 -- )

Set for node dnn2 the previous node to dnn1

dnn-dump ( dnn -- )

Dump the node