getAsInt method

int getAsInt(
  1. K key, [
  2. int orElse = 0
])

Retrieves the element of key of type int from Map.

If Map does not have an element of key or the type does not match int, orElse is returned.

Mapからint型のkeyの要素を取得します。

Mapにkeyの要素がない場合やintと型が合わない場合、orElseが返されます。

Implementation

int getAsInt(K key, [int orElse = 0]) {
  assert(key != null, "The key is empty.");
  if (!containsKey(key) || this[key] is! num?) {
    return orElse;
  }
  return (this[key] as num?)?.toInt() ?? orElse;
}