workflow version 3.cs

Either<TSuccess1, TError> DoWork1() { ... }
TSuccess2 Transform(TSuccess1 successValue1) { ... }
Either<TSuccessFinal, TError> DoWork2(TSuccess2 successValue1) { ... }

var result = DoWork1()
    .Map(Transform)
    .FlatMap(DoWork2)
    // "DoOther" is another helper operator we added that handles the "Left" case
    // and return the value as is after it's done.
    .DoOther(ErrorHandler);