A source ODL driven IMDL file: People.imdl

module People {

implicit *;

hide Person::cstate, Person::children, Address::street;

rename Person::name to Person::lastname;

rename Person::age to Person::how_old_is_he;

typedef sequence<Person> PersonList;

extend Person {

map readonly attribute PersonList same_age_persons from

oql("list(Person.age = this.age)");

};

extend Employee {

map boolean is_he_rich() from expr("return salary() > 10000 ? 1 : 0");

};

};

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