#include <iostream>
#include <string>

void TestItOperator(const std::string& str, int length)
{
	auto it = str.begin();
	auto chopped1 = std::string(it, it += length);
	auto chopped2 = std::string(str.begin(), it);
	auto chopped3 = std::string(str.begin(), str.begin() + length);

	std::cout << "Orig: " << str << std::endl;
	std::cout << "Chop1: " << chopped1 << std::endl;
	std::cout << "Chop2: " << chopped2 << std::endl;
	std::cout << "Chop3: " << chopped2 << std::endl;
}

int main()
{
	TestItOperator("foobar", 3);

	return 0;
}