verbose print

print.cxx

#include <array>
#include <vector>
#include <iostream>

template<typename T>
void print(const T &input, bool with_newline = true) {
  for (auto it = input.begin(); it != input.end(); ++it) {
    if (std::next(it) == input.end()) {
      std::cout << *it;
    }
    else {
      std::cout << *it << " ";
    }
  }

  if (with_newline) {
    std::cout << std::endl;
  }
}

template<typename T, size_t N>
void print(T (&input)[N], bool with_newline = true) {
  std::array<T, N> arr;
  std::copy(std::begin(input), std::end(input), arr.begin());

  print(arr, with_newline);
}

template<typename T, size_t M, size_t N>
void print(T (&input)[M][N], bool with_newline = true) {
  for (unsigned int i = 0; i < M; ++i) {
    if (i == M-1) {
      print(input[i], with_newline);
    }
    else {
      print(input[i], false);
      std::cout << " ";
    }
  }
}


int main() {
  std::vector<int> vec = {1, 2, 3, 4, 5};
  print(vec);

  int arr[] =  {5, 4, 3, 2, 1};
  print(arr);

  int arr2[2][3] = {
    {9, 8, 7},
    {1, 2, 3},
  };
  print(arr2);

  return 0;
}