C ++ allows you to generate a special type of pointer that points to a member of a class, not to a specific instance of that member in an object. This sort of pointer is called a pointer to a class member or pointer-to-member. The figure shown, illustrates the usage of pointer to members.
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Pointers to members - C++ [1/1]
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Pointers To Members
int stud :: *info =&stud::id;
The info pointer, thus created, acts like a class member in that it must be invoked with a class object. In the statement, the phrase stud::' means "pointer- to —member ofstutl class". The phrase &stud:: id means the "address ofthe id member of stud class". The pointer info can now be used to access the memberid inside member functions.
int stud :: *info =&stud::id;
The info pointer, thus created, acts like a class member in that it must be invoked with a class object. In the statement, the phrase stud::' means "pointer- to —member ofstutl class". The phrase &stud:: id means the "address ofthe id member of stud class". The pointer info can now be used to access the memberid inside member functions.
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- Pointers to members - C++ [1/1] - | |
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