<commit_before>const SEPARATOR = '===';

export default function keyFor(collection, key, number) {
  let result = collection + SEPARATOR + key;
  if (arguments.length === 3) {
    result += SEPARATOR + number;
  }
  return result;
};<commit_msg>Export separator with keyFor function<commit_after>export default function keyFor(collection, key, number) {
  const separator = keyFor.separator;
  let result = collection + separator + key;
  if (arguments.length === 3) {
    result += separator + number;
  }
  return result;
};

keyFor.separator = '===';
{'fraction_non_alphanumeric': 0.1301989150090416, 'fraction_numerical': 0.003616636528028933, 'mean_word_length': 4.326923076923077, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2725775', 'n_tokens_mistral': 170, 'n_tokens_neox': 163, 'n_words': 48}