public static Task AsGenericTaskException(this Exception exception, Type type)
{
var tcs = TaskCompletionSourceGeneric.Create(type);
tcs.SetException(exception);
return(tcs.Task);
}
public static Task AsGenericTaskResult(this object result, Type type)
{
var tcs = TaskCompletionSourceGeneric.Create(type);
tcs.SetResult(result);
return(tcs.Task);
}
public static Task CastResultAs <T>(this Task <T> task, Type resultTypeToCastTo)
{
var tcs = TaskCompletionSourceGeneric.Create(resultTypeToCastTo);
task.ContinueWith(t =>
{
if (t.IsFaulted)
{
tcs.SetException(t.Exception);
}
else if (t.IsCanceled)
{
tcs.SetCanceled();
}
else
{
try
{
tcs.SetResult(t.Result);
}
catch (InvalidCastException ex)
{
tcs.SetException(ex);
}
}
}, TaskContinuationOptions.ExecuteSynchronously);
return(tcs.Task);
}
public static TaskCompletionSourceGeneric AsTCSGeneric(this Type type, object state) => TaskCompletionSourceGeneric.Create(type, state);
