public static SafePipeline <TSuccess, TNewFailure> ToFailure <TSuccess, TFailure, TNewFailure>(
this SafePipeline <TSuccess, TFailure> @this, Func <TFailure, TNewFailure> transformFailure)
=> CreateSafePipeline.With(async() => await @this.Flatten().MapToAsync(async task =>
(await task).EitherFold(
result => Result <TSuccess, TNewFailure> .Succeeded(result.Success),
result => Result <TSuccess, TNewFailure> .Failed(transformFailure(result.Failure)))
));
public static SafePipeline <TSuccess, string> ToStringFailure <TSuccess>(
this SafePipeline <TSuccess, Exception> @this)
=> CreateSafePipeline.With(async() => await @this.Flatten().MapToAsync(async task =>
(await task).EitherFold(
result => Result <TSuccess, string> .Succeeded(result.Success),
result => Result <TSuccess, string> .Failed(result.Failure.ToString()))
));