defaultValue function

dynamic defaultValue(
  1. Map<String, dynamic> map,
  2. String key, [
  3. dynamic defaultValue = ""
])

Implementation

dynamic defaultValue(
  Map<String, dynamic> map,
  String key, [
  dynamic defaultValue = "",
]) {
  if (map.containsKey(key)) {
    return map[key];
  }
  return defaultValue;
}