Function show_words

Examples/Modules/Chapter 08/Ex8_17.cpp:96–113

}

void show_words(const Words& words)
{
  const size_t field_width {max_word_length(words) + 1};
  const size_t words_per_line {8};
  std::cout << std::format("{:{}}", *words[0], field_width); // Output first word

  size_t words_in_line {};         // Number of words in current line
  for (size_t i {1}; i < words.size(); ++i)
  { // Output newline when initial letter changes or after 8 per line
    if ((*words[i])[0] != (*words[i - 1])[0] || ++words_in_line == words_per_line)
    {
      words_in_line = 0;
      std::cout << std::endl;
    }
    std::cout << std::format("{:{}}", *words[i], field_width); // Output a word
  }
  std::cout << std::endl;
}