#include #include "easylogging++.h" INITIALIZE_EASYLOGGINGPP WX_DECLARE_HASH_SET( int, wxIntegerHash, wxIntegerEqual, IntHashSet ); WX_DECLARE_HASH_SET( wxString, wxStringHash, wxStringEqual, StringHashSet ); ELPP_WX_ENABLED(IntHashSet) ELPP_WX_ENABLED(StringHashSet) int main() { IntHashSet h1; StringHashSet hStr; hStr.insert( "foo" ); hStr.insert( "bar" ); hStr.insert( "baz" ); hStr.insert( "bar" ); // Does not add anything! LOG(INFO) << hStr; }