public static MondValue Delay(double seconds, MondValue cancellationToken = null)
{
AsyncUtil.EnsureAsync();
var ct = AsyncUtil.AsCancellationToken(cancellationToken);
if (!ct.HasValue)
{
throw new MondRuntimeException("Task.delay: second argument must be a CancellationToken");
}
var timeSpan = seconds >= 0 ?
TimeSpan.FromSeconds(seconds) :
TimeSpan.FromMilliseconds(-1);
return(AsyncUtil.ToObject(Task.Delay(timeSpan, ct.Value)));
}