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c++ Programming Glossary: key_tUsing a std::tuple as key for std::unordered_map http://stackoverflow.com/questions/11408934/using-a-stdtuple-as-key-for-stdunordered-map unordered_map typedef std tuple std string int char key_t struct key_hash public std unary_function key_t std size_t std.. int char key_t struct key_hash public std unary_function key_t std size_t std size_t operator const key_t k const return std.. unary_function key_t std size_t std size_t operator const key_t k const return std get 0 k 0 ^ std get 1 k ^ std get 2 k struct..
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