CGAL 5.1.1 - Profiling tools, Hash Map, Union-find, Modifiers

Definition

UniqueHashFunction is a concept for a hash function with unique hash values. An instance hash for a model of the UniqueHashFunction concept is a function object. It maps objects of its domain type Key to the integral image type std::size_t. The image values have to be unique for all keys in the domain type Key.

Has Models:
CGAL::Handle_hash_function
See also
CGAL::Unique_hash_map<Key,Data,UniqueHashFunction>

Types

typedef std::size_t result_type
 type of the hash value.
 

Creation

 UniqueHashFunction (const UniqueHashFunction &hash2)
 copy constructor.
 
UniqueHashFunctionoperator= (const UniqueHashFunction &hash2)
 assignment.
 

Operations

std::size_t operator() (const Key &key)
 returns a unique hash value for the key value.