27 lines
297 B
Plaintext
27 lines
297 B
Plaintext
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:- object(joeEmployee,
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extends(joePerson)).
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:- public(worksFor/1).
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:- public(salary/1).
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:- dynamic(salary/1).
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:- public(giveRaise/1).
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worksFor('ToonTown').
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salary(1500).
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giveRaise(Raise) :-
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retract(salary(Old)),
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New is Old + Raise,
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asserta(salary(New)).
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:- end_object.
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