getAsModelCounter method

ModelCounter getAsModelCounter(
  1. String key, [
  2. int defaultValue = 0
])

Retrieves the element of key of type ModelCounter from Map.

If there is no element of key in Map or the type does not match ModelCounter, ModelCounter whose value is defaultValue is returned.

MapからModelCounter型のkeyの要素を取得します。

Mapにkeyの要素がない場合やModelCounterと型が合わない場合、defaultValueが値となるModelCounterが返されます。

Implementation

ModelCounter getAsModelCounter(String key, [int defaultValue = 0]) {
  if (!containsKey(key) || this[key] is! ModelCounter) {
    return ModelCounter(defaultValue);
  }
  return this[key] as ModelCounter;
}