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: N3980

Date: 2014-05-24

Types Don't Know #

by Howard Hinnant

Excerpt:

This paper proposes a new hashing infrastructure that completely decouples hashing algorithms from individual types that need to be hashed. This decoupling divides the hashing computation among 3 different programmers who need not coordinate with each other: ...

To start off with, we emphasize: there is nothing in this proposal that changes the existing std::hash, or the unordered containers. And there is also nothing in this proposal that would prohibit the committee from standardizing both this proposal, and either one of N3333 or N3876.