apply method

Maybe<U> apply(
  1. Maybe<T> arg
)

Apply the arg arg to this Function only in case both the arg and Function are available.

Example: ```dart void Function(String b) concatAndPrint(String a) => (b) => print(a + b);

void main() { final maybeA = 'Hello '.just; final maybeB = 'World'.just; final none = None

Implementation

Maybe<U> apply(Maybe<T> arg) => arg.lift(this, arg);