Example #1
0
int main()
{
	DataMap sightings;
	generate_n(
		inserter(sightings, sightings.begin()),
		50, SightingGen(animals));
	// Print everything:
	copy(sightings.begin(), sightings.end(),
		ostream_iterator<Sighting>(cout, "\n"));

	// Print sightings for selected animal:
	while (true) {
		cout << "select an animal or 'q' to quit: ";
		for (int i = 0; i < animals.size(); i++)
			cout << '[' << i << ']' << animals[i] << ' ';
		cout << endl;
		string reply;
		cin >> reply;
		if (reply.at(0) == 'q') return 0;
		istringstream r(reply);
		int i;
		r >> i;	// Convert to int
		i %= animals.size();
		
		// Iterators in "range" denote begin, one
		// past end of matching range:
		pair<DMIter, DMIter> range =
			sightings.equal_range(animals[i]);
		copy(range.first, range.second,
			ostream_iterator<Sighting>(cout, "\n"));
	}
} ///:~
int main() {
  DataMap sightings;
  generate_n(
    inserter(sightings, sightings.begin()),
    50, SightingGen(animals));
  // Print everything:
  copy(sightings.begin(), sightings.end(),
    ostream_iterator<Sighting>(cout, ""));
  // Print sightings for selected animal:
  for(int count = 1; count < 10; count++) {
    // Use menu to get selection:
    // int i = menu();
    // Generate randomly (for automated testing):
    int i = rand() % animals.size();
    // Iterators in "range" denote begin, one 
    // past end of matching range:
    pair<DMIter, DMIter> range = 
      sightings.equal_range(animals[i]);
    copy(range.first, range.second,
      ostream_iterator<Sighting>(cout, ""));
  }
} ///:~