Answered: Describe the syntax we use for a class…

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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Describe the syntax we use for a class template.

Expert Solution

Step 1

Class template:

A class template creates basic outline for a class. The members of that class use arguments of the type template argument. The syntax statement for class template declaration is as below:

Step 2

template <class template_name> class class_name {

class_namemember_name( template_nameargument_name)

};

Class template specialization is the instant of a function created by the compiler from the template for a specific set of arguments passed to the object. The syntax statements are specialized as in the example below:

Consider a class template display with type parameter class_name called with double arguments.
The compiler then detects a display object invocation in the code.
Type parameter template_name is substituted by double throughout the definition.
The class template specialization created is display< double> instead of template type display <template_name>.

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