using Gee;

uint hash_func (void* num) {
	return str_hash (((double?)num).to_string ());
}

bool eql_func (void* num1, void* num2) {
	return *((double*)num1) == *((double*)num2);
}


static int main (string[] args) {

    double? first = 0.0;
    double? second = 0.0;
   	stdout.printf ("Direct hash for first: %u\n", direct_hash ((void*) first));
    stdout.printf ("Hash for first: %u\n", hash_func ((void*) first));
    stdout.printf ("Direct hash for second: %u\n", direct_hash ((void*) second));
    stdout.printf ("Hash for second: %u\n", hash_func ((void*) second));
    stdout.printf ("Reference equal: %s\n", direct_equal ((void*) first, (void*) second) ? "yes" : "no");
    stdout.printf ("Equal: %s\n", eql_func ((void*) first, (void*) second) ? "yes" : "no");

	var map = new HashMap<double?, double?> (hash_func, eql_func, eql_func);

    map.set (0.0, 0.0);
   	var val = map[0.0];
	if (val == null) {
		stdout.printf ("Value is null!\n");
	}
	else {
		stdout.printf ("Value: %f\n", val);
	}
    return 0;
}