Pointers to Members - Advanced Programming - Lecture Slides, Slides of Computer Science

Download Pointers to Members - Advanced Programming - Lecture Slides and more Slides Computer Science in PDF only on Docsity! Classes this & pointers to members Docsity.com Self-Reference -- this • A Pointer to the Object, which is Used in Member Function Invocation -- this • A Return Pointer to that Object • Direct Reference to Members of the Object in a Member Function is Possible • this is NOT Available to friend Functions Docsity.com this -- Example 2 • void student::append(student *ip){ ip->next = next; ip->prev = this; next->prev = ip; next = ip; } • void my_function(student *new_student){ student *head; // ... head->append(new_student); } Docsity.com this -- Example 2 head (this) ss3 prev next ss2 prev next ss1 prev next ss4 prev next ip Before configuration Docsity.com this -- Example 2 Head (this) ss3 prev next ss2 prev next ss1 prev next ss4 prev next ip After configuration void student::append(student *ip){ ip->next = next; ip->prev = this; next->prev = ip; next = ip; Docsity.com