hasRelevantKey method

@override bool hasRelevantKey(Map<String, String> tags)

Tests whether the object has tags matching this field. The purpose is to check whether the field has a non-empty value.

Implementation

@override
bool hasRelevantKey(Map<String, String> tags) {
  if (type == ComboType.multi) {
    for (final k in tags.keys) if (k.startsWith(key)) return true;
    return false;
  }
  return tags.containsKey(key);
}