doc/articles/hutn-basic/families.emf

@namespace(uri="hutnArticleFamilies", prefix="hutnArticleFamilies")
package hutnArticleFamilies;

class Family {
   attr String[0..1] name;
   attr boolean[0..1] nuclear;
   attr boolean[0..1] migrant;
   attr int[6] lotteryNumbers;
   
   val Person[*] members;
   ref Family[*] familyFriends;
}

class Person {
	attr String[0..1] name;
   
}