c++ Programming Glossary: hasher

Generic Hash function for all STL-containers

http://stackoverflow.com/questions/6899392/generic-hash-function-for-all-stl-containers

void hash_combine std size_t seed const T v std hash T hasher seed ^ hasher v 0x9e3779b9 seed 6 seed 2 Using this we can hash.. std size_t seed const T v std hash T hasher seed ^ hasher v 0x9e3779b9 seed 6 seed 2 Using this we can hash everything.. the combine function. Once you're done writing your range hasher just specialize std hash and you're good to go namespace std..

unordered_map hash function c++

http://stackoverflow.com/questions/7222143/unordered-map-hash-function-c

void hash_combine std size_t seed const T v std hash T hasher seed ^ hasher v 0x9e3779b9 seed 6 seed 2 namespace std template.. std size_t seed const T v std hash T hasher seed ^ hasher v 0x9e3779b9 seed 6 seed 2 namespace std template typename S.. int my_mapped_type mymap If you want to use your homebrew hasher which hasn't got good statistical properties you have to specify..