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// unordered_set::hash_function
#include <iostream>
#include <string>
#include <unordered_set>
typedef std::unordered_set<std::string> stringset;
int main ()
{
stringset myset;
stringset::hasher fn = myset.hash_function();
std::cout << "that: " << fn ("that") << std::endl;
std::cout << "than: " << fn ("than") << std::endl;
return 0;
}
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