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