join<R> method
Implementation
@override
R join<R>(R Function(T) mapFirst, R Function(U) mapSecond, R Function(V) mapThird) {
return mapSecond(_value);
}
@override
R join<R>(R Function(T) mapFirst, R Function(U) mapSecond, R Function(V) mapThird) {
return mapSecond(_value);
}