The issue: Despite having constructed a sophisticated class, you do not want to give it a copy constructor or assignment operator. In any case, nobody ought to be copying any instances of this class. One solution is to design a copy constructor that, if used, terminates the programme when called: // Works, but not optimal class no_copy {  // ...  public:  no_copy(const no_copy&) {  std::cerr <<  "ERROR: no_copy(no_copy) called" <<  std::endl;  abort();  } }; Although it works, you should find the issue before compilation rather than after. give one other solution

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
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The issue: Despite having constructed a sophisticated class, you do not want to give it a copy constructor or assignment operator. In any case, nobody ought to be copying any instances of this class.
One solution is to design a copy constructor that, if used, terminates the programme when called:

// Works, but not optimal
class no_copy {
 // ...
 public:
 no_copy(const no_copy&) {
 std::cerr <<
 "ERROR: no_copy(no_copy) called" <<
 std::endl;
 abort();
 }
};

Although it works, you should find the issue before compilation rather than after.
give one other solution

 

 

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