public void OnError(Exception error)
{
try
{
promise.TrySetException(error);
}
finally
{
registration.Dispose();
disposable.Dispose();
}
}
public static UniTask <T> FromCanceled <T>(CancellationToken token)
{
var promise = new UniTaskCompletionSource <T>();
promise.TrySetException(new OperationCanceledException(token));
return(new UniTask <T>(promise));
}
public static UniTask <T> FromException <T>(Exception ex)
{
var promise = new UniTaskCompletionSource <T>();
promise.TrySetException(ex);
return(new UniTask <T>(promise));
}
public static UniTask FromException(Exception ex)
{
var promise = new UniTaskCompletionSource <AsyncUnit>();
promise.TrySetException(ex);
return(new UniTask(promise));
}
public static UniTask FromCanceled(CancellationToken token)
{
var promise = new UniTaskCompletionSource<AsyncUnit>();
promise.TrySetException(new OperationCanceledException(token));
promise.MarkHandled();
return new UniTask(promise);
}
public static UniTask <T> ToUniTask <T>(this IObservable <T> source, CancellationToken cancellationToken = default(CancellationToken), bool useFirstValue = false)
{
var promise = new UniTaskCompletionSource <T>();
var disposable = new SingleAssignmentDisposable();
var observer = useFirstValue
? (IObserver <T>) new FirstValueToUniTaskObserver <T>(promise, disposable, cancellationToken)
: (IObserver <T>) new ToUniTaskObserver <T>(promise, disposable, cancellationToken);
try
{
disposable.Disposable = source.Subscribe(observer);
}
catch (Exception ex)
{
promise.TrySetException(ex);
}
return(promise.Task);
}
