Method: If the option is empty, it is returned immediately without applying the callable.

Method: If the option is empty, it is returned immediately without applying the callable.

Method: If the option is empty, it is returned immediately.

Method: Creates a lazy-option with the given callback.

Method: Option factory, which creates new option based on passed value.

Method: Returns the value if available, or throws an exception otherwise.

Method: Returns the value if available, or the default value if not.

Method: Returns the value if available, or the results of the callable.

Method: Returns the value if available, or throws the passed exception.