private static Task <Result <T> > ContinuationFactory <T>(Task <T> sourceTask)
=> sourceTask
.ContinueWith(task => task.Exception == null
? task.IsCanceled
? FailFactory.GenericCanceled <T>(task)
: new Success <T>(task.Result)
: FailFactory.GenericException <T>(task.Exception));
public static Task <Result <T> > Bind <T>(this Task <Result> sourceTask, Func <T> factory)
=> sourceTask
.ContinueWith(task => task.Exception == null
? task.IsCanceled
? FailFactory.GenericCanceled <T>(task)
: task.Result.Bind(factory)
: FailFactory.GenericException <T>(task.Exception)
);
public static Task <Result <T> > ThenWrapAsResult <T>(this Task <T> sourceTask)
=> sourceTask
.ContinueWith(task => task.Exception == null
? task.IsCanceled
? FailFactory.GenericCanceled <T>(task)
: task.Result.AsSuccess()
: FailFactory.GenericException <T>(task.Exception)
);
public static Task <Result <TMapped> > Bind <T, TMapped>(this Result <T> result,
Func <T, CancellationToken, Task <TMapped> > asyncMapper, CancellationToken cancellationToken)
=> result.Successful
? asyncMapper(result, cancellationToken)
// ReSharper disable once MethodSupportsCancellation
.ContinueWith(task =>
task.Exception == null
? task.IsCanceled
? FailFactory.GenericCanceled <TMapped>(task)
: task.Result.AsSuccess()
: FailFactory.GenericException <TMapped>(task.Exception))
: FailFactory.GenericExceptionTask <TMapped>(((Fail <T>)result).Exception);