What does implicit conversions mean in C++? And why should the explicit keyword be added to a constructor? What would be the purpose of this?

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter13: Overloading And Templates
Section: Chapter Questions
Problem 6SA: What is the difference between a friend function of a class and a member function of a class? (3)
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What does implicit conversions mean in C++? And why should the explicit keyword be added to a constructor? What would be the purpose of this?

 

Example:

class my_class{

public:

     // constructor

   explicit my_class();

};

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