A blast from the past

iterators

// c++
#include <iostream>
#include <vector>

using namespace std;

int main()
{
	vector<int> vec;
	vec.push_back(1);
	vec.push_back(4);
	vec.push_back(8);

	vector<int>::iterator it;
	for(it = vec.begin(); it != vec.end(); it++)
		cout << *it << " ";
}

# ruby
print [1,4,8].join(' ')