Can I use const in vectors to allow adding elements, but not modifications to the already added?

Question

My comments on this answer got me thinking about the issues of constness and sorting. I played around a bit and reduced my issues to the fact that this code:

Answer 1

I'm with Noah: wrap the vector with a class that exposes only what you want to allow.

If you don't need to dynamically add objects to the vector, consider std::tr1::array.