// example parameter passing: strings
// Mikhail Nesterenko
// 10/11/99

#include <iostream>
#include <string>

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

void example1(string);    //tries to modify string
void example2(string&);   //tries to modify string (with more success)


// demos string parameter passing
int main(){
        string noname="Doe";

	example1(noname);
	cout << noname << endl;

	example2(noname);
	cout << noname << endl;
}


// modifies string, why doesn't it work?                 
void example1(string s) { 
	s = "John " + s;
}

// modifies string, does it work?
void example2(string& s) {
        s = "Jane " + s;    
}