// swapper.cpp - swaps integers two ways (Nagler exercise 4.1, p. 58)
//               CS 60 assignment 4, part 1, Fall 2009
// YOUR NAME, DATE

#include <iostream>

// solution to 1.a: forward declarations for two swap functions - HERE


// main is essentially verbatim from Nagler, p. 58
int main() {
    int first(-5), second(4);
    swapByPointer(&first, &second);
    std::cout << "First = " << first << ", Second = " << second << '\n';
    swapByReference(first, second);
    std::cout << "First = " << first << ", Second = " << second << '\n';
}

// solution to 1.b: implementations for two swap functions - BELOW