1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" 2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 3 4<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 5<head> 6 <meta name="generator" content= 7 "HTML Tidy for Linux/x86 (vers 12 April 2005), see www.w3.org" /> 8 9 <title>null_hash_fn Interface</title> 10 <meta http-equiv="Content-Type" content= 11 "text/html; charset=us-ascii" /> 12 </head> 13 14<body> 15 <div id="page"> 16 <h1><tt>null_hash_fn</tt> Interface</h1> 17 18 <p>A "null" hash function, indicating that the combining hash 19 function is actually a ranged hash function.</p> 20 21 <p><a href= 22 "concepts.html#concepts_null_policies">Interface::Concepts::Null 23 Policy Classes</a> explains the concept of a null policy. See 24 also <a href= 25 "hash_based_containers.html#hash_policies">Design::Hash-Based 26 Containers::Hash Policies</a>.</p> 27 28 <p>Defined in: <a href= 29 "http://gcc.gnu.org/viewcvs/*checkout*/trunk/libstdc%2B%2B-v3/include/ext/pb_ds/hash_policy.hpp"><tt>hash_policy.hpp</tt></a></p> 30 </div> 31</body> 32</html> 33