A new WG21 paper is available. A copy is linked below, and the paper will also appear in the next normal WG21 mailing. If you are not a committee member, please use the comments section below or the std-proposals forum for public discussion.
Document number: N3898
by Geoff Pike
Given that multiple hash functions may traverse objects of some class, let's separate the code responsible for "traversing" the right parts of objects from the code that computes hashes.