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#include "hash_value.h" // defines Person with std::hash specialization
#include <iostream>
#include <parallel_hashmap/phmap.h>
int main()
{
// As we have defined a specialization of std::hash() for Person,
// we can now create sparse_hash_set or sparse_hash_map of Persons
// ----------------------------------------------------------------
phmap::flat_hash_set<Person> persons =
{ { "John", "Mitchell", 35 },
{ "Jane", "Smith", 32 },
{ "Jane", "Smith", 30 },
};
for (auto& p: persons)
std::cout << p._first << ' ' << p._last << " (" << p._age << ")" << '\n';
}
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