Method index

core/src/processing/data/Table.java:4211–4221

gets the index, and creates one if it doesn't already exist.

(String key)

    /** gets the index, and creates one if it doesn't already exist. */
    int index(String key) {
      Integer value = dataToIndex.get(key);
      if (value != null) {
        return value;
      }

      int v = dataToIndex.size();
      dataToIndex.put(key, v);
      indexToData.add(key);
      return v;
    }

    String key(int index) {
      return indexToData.get(index);