Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

Function hash_value

boost::hash_value —

Synopsis

template<typename K, typename T, typename C, typename A> 
  std::size_t hash_value(std::map<K, T, C, A> const & val);
template<typename K, typename T, typename C, typename A> 
  std::size_t hash_value(std::multimap<K, T, C, A> const & val);

Description

Returns: hash_range(val.begin(), val.end());
Throws: Only throws if hash_value(std::pair<K const, T>) throws.
Notes: This is an extension to TR1