[boost] Re: static_cast and const

Richard Hadsell wrote:

For clarity -- to tell the reader that you intended to modify the const-ness.

If I see const_cast, I usually expect it to cast away const-ness, not add it. In my opinion, using a cast to add const is really a pretty unusual thing to do so 'as_const' might be the clearest way of showing your intent. Of course, it requires the reader to know what it means. Daniel