Answered: Two ways to get a "self" in an object…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Two ways to get a "self" in an object are:

a) (1) to use the closure + box with dummy value changed to the object trick, or (2) to pass in self as an implicit parameter, by passing a function that returns the object when given a 'self message

b) (1) to add an else clause to dynamic dispatch or (2) to pass in self as an explicit parameter, using something like msg/self

c) (1) to use the closure + box with dummy value changed to the object trick, or (2) to add an else clause to dynamic dispatch

d) (1) to use the closure + box with dummy value changed to the object trick, or (2) to pass in self as an explicit parameter, using something like msg/self

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