public static IPhaseResult <TMapped> Map <TResult, TMapped>(
this IPhaseResult <TResult> source,
Func <TResult, TMapped> onFinalValue)
{
return(source switch
{
Finished <TResult> finished => onFinalValue(finished.Value).AsFinished(),
Cancelled <TResult> => PhaseResult.NeedsRetry <TMapped>(),
NeedsRetry <TResult> => PhaseResult.NeedsRetry <TMapped>(),
_ => throw new Exception()
});
public static PipeResult <TDone, TNotDone> FromPhaseResult <TDone, TNotDone>(this IPhaseResult phaseResult) =>
phaseResult switch
{