c++ iterators example #1

iterators-example.cpp

#include <array>
#include <algorithm>
#include <iostream>

class MyType {
public:
    MyType() = default;
    MyType(int item):item_{item}
    { }

    int item_;
};

using MyTypeArray = std::array<MyType, 3>;

MyTypeArray my_array;

void doSomethingWithEachElement(const MyType& element)
{
    std::cout << element.item_ << std::endl;
}

int main(int argc, char* argv[])
{
    my_array.at(0) = MyType(1);
    my_array.at(1) = MyType(2);
    my_array.at(2) = MyType(3);

    std::for_each(std::begin(my_array), std::end(my_array), doSomethingWithEachElement);
    return 0;
}