C Plus Plus Programming, Cplusplus, C Plus Plus Language, Systems Programming, Software Engineering.
forward_list<int> df; Now pointers can be used to access the memory location so that we can access the value at the memory location int value = 10; int *ptr = &value; *ptr = 100; // now value = 100 In reality, if you have the variable as value you don’t need to use pointers to access or change the