How to resolve the algorithm Doubly-linked list/Element definition step by step in the Oberon-2 programming language

Published on 12 May 2024 09:40 PM
#Oberon-2

How to resolve the algorithm Doubly-linked list/Element definition step by step in the Oberon-2 programming language

Table of Contents

Problem Statement

Define the data structure for a doubly-linked list element. The element should include a data member to hold its value and pointers to both the next element in the list and the previous element in the list. The pointers should be mutable.

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Step by Step solution about How to resolve the algorithm Doubly-linked list/Element definition step by step in the Oberon-2 programming language

Source code in the oberon-2 programming language

MODULE Box;
TYPE
        Object* = POINTER TO ObjectDesc;
	ObjectDesc* = (* ABSTRACT *) RECORD
	END;

        (* ... *)
END Box.

MODULE Collections;
TYPE
	Node* = POINTER TO NodeDesc;
	NodeDesc* = (* ABSTRACT *) RECORD
		prev-,next-: Node;
                value-: Box.Object;
	END;

        (* ... *)
END Collections.

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