Using a hashmap: Difference between revisions
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== with BOOST == | |||
*[http://www.boost.org/doc/libs/1_45_0/doc/html/unordered.html unordered] | |||
== With SparseHash == | |||
*[http://code.google.com/p/sparsehash/ SparseHash] | |||
== with GCC == | |||
A header to use the hash_map<Key,Type> (same member functions/objects as a std::map<Key,Type>) which is not in the stl library: | A header to use the hash_map<Key,Type> (same member functions/objects as a std::map<Key,Type>) which is not in the stl library: | ||
<source lang="cpp"> | <source lang="cpp"> | ||
Latest revision as of 11:28, 17 October 2013
with BOOST
With SparseHash
with GCC
A header to use the hash_map<Key,Type> (same member functions/objects as a std::map<Key,Type>) which is not in the stl library: <source lang="cpp">
- ifdef __GNUC__
#if __GNUC__ < 3
#include <hash_map>
#else
#include <ext/hash_map>
#if __GNUC_MINOR__ == 0
using namespace std; // GCC 3.0
#else
using namespace __gnu_cxx; // GCC >= 3.1
#endif
#endif
- endif
</source>