DoubleUnaryFunction
class DoubleUnaryFunction<A, OA : ObservableValue<A>>(argA: OA, lambda: (A) -> Double) : UnaryFunction<Double, A, OA> , ObservableDouble
Boilerplate which avoids having to use generics. An ObservableDouble which is calculated from 1 (unary) other ObservableValue.
See UnaryFunction (PropertyFunctions).