boost::openmethod::policies::type_hash

Policy for hashing type ids.

Synopsis

Declared in <boost/openmethod/preamble.hpp>

struct type_hash;

Classes implementing this policy must:

derive from type_hash.
provide a fn<Registry> metafunction that conforms to the TypeHashFn blueprint.

Name

Name

Description

Hash type ids using a fast, perfect hash function.

Map type ids to indexes by extracting a minimal cover of their bits.

Map type ids to a dense index with a minimal perfect hash.

Map type ids to an index with two multiply‐shifts.