#include "pair.h"
#include <string>
#include <iostream>
#include <complex>

using std::string;
using std::cout;
using std::endl;
using std::complex;

// for printing
template <class T, class U>
void print(const pair<T, U>& p, const string& label)
{
	cout << label << ": " << p.left() << " " << p.right() << endl;
}

// main testing routine
int main()
{	
	pair<string, double> A("alpha", 0.1), B("beta", 0.2);
	print(A, "A"); //
	print(B, "B"); //
	pair<string, double> C;
	C = A + B;
	print(C, "C"); //
	
	pair<complex<int>, string> D1(complex<int>(1, 2), "first"), D2(complex<int>(3, 4), "second");
	print(D1, "D1"); //
	print(D2, "D2"); //
	D1 += D2;
	print(D1, "D1"); //
	
	const pair<string, double> E(A + B);
	print(E, "E"); //
	
	pair<string, double> F;
	F.left() = "hello";
	F.right() = 0.4;
	print(F, "F"); //
	
	return 0;
}