LongTernaryFunction
class LongTernaryFunction<A, OA : ObservableValue<A>, B, OB : ObservableValue<B>, C, OC : ObservableValue<C>>(argA: OA, argB: OB, argC: OC, lambda: (A, B, C) -> Long) : TernaryFunction<Long, A, OA, B, OB, C, OC> , ObservableLong
Boilerplate which avoids having to use generics. An ObservableLong which is calculated from 3 (ternary) other ObservableValues.
See BinaryFunction (PropertyFunctions).