This is the homework pratice for Data Structures Fall 2017.
The target of this homework to implement the add function in the class Implement.
int Implement::add(int, int)
return the sum of two integer variable, don't need to consider the overflow of int data type.
The class Implemnt must inherit class abstractAdd
You must #include "function.h"
https://gist.github.com/anonymous/c1bf0b57b5c1bac895604d1dbc9ed221
Two integer a, b.
Sum of a and b.