std::vector<int> arr {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};

auto printSize = [] (const std::vector<int>& arr)

{std::cout << "# elements in array: " << arr.size() << std::endl;};

auto printValues = [] (const std::vector<int>& arr)

{ std::for_each(arr.begin(), arr.end(), [] (int i) { std::cout << i << " "; });

std::cout << std::endl;};

std::cout << "std::remove, followed by erase" << std::endl;

printSize(arr);

printValues(arr);

// remove the 5

auto it = std::remove(arr.begin(), arr.end(), 5);

printSize(arr);

printValues(arr);

arr.erase(it, arr.end());

printSize(arr);

printValues(arr);

// remove even numbers

it = std::remove_if(arr.begin(), arr.end(), [] (int i) { return i % 2 == 0; });

printSize(arr);

printValues(arr);

arr.erase(it, arr.end());

printSize(arr);

printValues(arr);

// erase_where

std::cout << "\nerase_where and erase_where_if" << std::endl;

std::vector<int> arr2 {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};

printSize(arr2);

printValues(arr2);

chops::erase_where(arr2, 5);

chops::erase_where_if(arr2, [] (int i) { return i % 2 == 0 ; });

printSize(arr2);

printValues(arr2);

return EXIT_SUCCESS;