invoke<T> method
T?
invoke<T>([
- dynamic key = ''
Invokes an action by the given key
, returns null if not found.
Note that if found action's type does not match given T
, it will throw _CastError.
Implementation
T? invoke<T>([dynamic key = '']) {
var r = _actions[key]?.call();
if (r != null) {
return r as T;
}
return null;
}