gistfile1.cs

void Start()
{
  Coroutine coroutine = StartCoroutine(DelayMethod(1.0f, (int id) => {
    Debug.Log("StartCoroutine: "+id);
  }, 0));
}

private IEnumerator DelayMethod<T>(float waitTime, Action<T> action, T t)
{
  yield return new WaitForSeconds(waitTime);
  action(t);
}