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
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
Section: Chapter Questions
Problem 1PE
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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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