/// <summary>
/// Execute task with timeout
/// </summary>
/// <typeparam name="T">Task result type</typeparam>
/// <param name="task">Task</param>
/// <param name="timeout">Timeout value</param>
/// <returns></returns>
public static Task <T> WithTimeout <T>(this Task <T> task, TimeSpan timeout)
{
var tcs = new TaskCompletionSource <T>();
task.ContinueWith(t => tcs.Propagate(task),
TaskContinuationOptions.ExecuteSynchronously);
Task.Delay(timeout).ContinueWith(t => tcs.TrySetCanceled(),
TaskContinuationOptions.ExecuteSynchronously);
return(tcs.Task);
}