package datomic.samples;

import java.util.Collection;

import static datomic.Peer.q;

import static datomic.Util.list;

import static datomic.samples.Fns.printQueryResult;

public class With {

public static Collection incorrectHeadCount() {

return q("[:find (sum ?heads)" +

" :in [[_ ?heads]]]", monsters);

}

public static Collection correctHeadCount() {

return q("[:find (sum ?heads)" +

" :with ?monster" +

" :in [[?monster ?heads]]]", monsters);

}

public static final Collection monsters = list(list("Cerberus", 3),

list("Medusa", 1),

list("Cyclops", 1),

list("Chimera", 1));

public static void main(String[] args) {

printQueryResult(incorrectHeadCount());

printQueryResult(correctHeadCount());

}

}