gistfile1.cs

List<string> aList = null;

foreach(var str in aList) {...}

//How I really wish this compiled:

var enumerator = aList == null ? null : aList.GetEnumerator();
try {
   while (enumerator != null && enumerator.MoveNext()) {
      var element = (ElementType)enumerator.Current;
      //statement;
   }
}
finally {
   IDisposable disposable = enumerator as System.IDisposable;
   if (disposable != null) disposable.Dispose();
}