UniversalFunctorKeep_FOn this pageKeep_FSignature declare class Keep_F<Kept, Value> Constructors ConstructorModifiersDescription(constructor)(kept, value)Constructs a new instance of the Keep_F class Properties PropertyModifiersTypeDescriptionkeptKeptmap<New>(fn: (value: Value, kept: Kept) => New) => Keep_F<Kept, New>of<New>(value: New) => Keep_F<Kept, New>valueValue