Question

I would like to do something like this:

container::iterator it = NULL;  switch ( eSomeEnum ) { case Container1: it = vecContainer1.begin(); break;  case Container2: it = vecContainer2.begin(); break; ...   }  for( ; it != itEnd ; ++it ) {  .. } 

But I can’t create and initialise an iterator to NULL. Is there some way I can do this? Ideally I would just create and assign the iterator in the switch, but then it would go out of scope immediately.

Answer 1

You just needn’t initialize it at all, because iterators are DefaultConstructible.