What does LINQ return when the results are empty

Question

I have a question about LINQ query. Normally a query returns a IEnumerable<T> type. If the return is empty, not sure if it is null or not. I am not sure if the following ToList() will throw an exception or just a empty List<string> if nothing found in IEnumerable result?

   List<string> list = {"a"};    // is the result null or something else?    IEnumerable<string> ilist = from x in list where x == "ABC" select x;    // Or directly to a list, exception thrown?    List<string> list1 = (from x in list where x == "ABC" select x).ToList(); 

I know it is a very simple question, but I don't have VS available for the time being.

Answer 1

It will return an empty enumerable. It won't be null. You can sleep sound :)