get<T> method
T
get<T>(
- K key,
- T orElse
Retrieves the element key
from Map.
If Map does not have an element of key
or the type does not match T
, orElse
is returned.
Mapからkey
の要素を取得します。
Mapにkey
の要素がない場合やT
と型が合わない場合、orElse
が返されます。
Implementation
T get<T>(K key, T orElse) {
assert(key != null, "The key is empty.");
if (!containsKey(key) || this[key] is! T?) {
return orElse;
}
return (this[key] as T?) ?? orElse;
}