#include <enumerate.hpp>

#include <string>

#include <iostream>

#include <vector>

#include <cassert>

int main() {

std::cout << "enumerating the characters of a string \"hello\":\n";

const std::string const_string("hello");

for (auto&& e : iter::enumerate(const_string)) {

std::cout << '(' << e.index << ", " << e.element << ") ";

}

std::cout << '\n';

std::vector<int> vec = {20, 30, 50};

std::cout << "enumerating a vector of {20, 30, 50}:\n";

for (auto&& e : iter::enumerate(vec)) {

std::cout << '(' << e.index << ", " << e.element << ") ";

e.element = 0;

}

std::cout << '\n';

assert(vec[0] == 0);

assert(vec[1] == 0);

assert(vec[2] == 0);

// itertools supports raw arrays

std::cout << "statically sized arrays can be enumerated\n";

int array[] = {1, 9, 8, 11};

for (auto&& e : iter::enumerate(array)) {

std::cout << '(' << e.index << ", " << e.element << ") ";

}

std::cout << '\n';

// itertools supports temporaries

std::cout << "vector temporary of {5, 2}\n";

for (auto&& e : iter::enumerate(std::vector<int>(5,2))) {

std::cout << '(' << e.index << ", " << e.element << ") ";

}

std::cout << '\n';

}