Steven Schveighoffer wrote:
On Wed, 14 Oct 2009 08:15:01 -0400, #ponce <alil...@gmail.com> wrote:
It's a bit unclear to me.
I know I must compare references with is but pointers ?
Like Moritz said, there is no semantic difference with pointers, but you
may consider comparing with is if you are looking for equivalence. It
cannot ever be overridden, so if for some reason you decided to change
your pointer to a class reference, it doesn't accidentally morph into a
virtual call (possibly to a null object causing a segfault).
-Steve
I agree, I only learned recently that == is not a direct pointer
comparison for classes, I had to scramble all around my code to replace
them with is and !is, so for good habit I'd go with using is for pointer
equality too.
Jeremie
