package aima.core.search.framework.problem;
import java.util.Set;
import aima.core.agent.Action;
/**
* Artificial Intelligence A Modern Approach (3rd Edition): page 67.<br>
* <br>
* Given a particular state s, ACTIONS(s) returns the set of actions that can be
* executed in s. We say that each of these actions is <b>applicable</b> in s.
*
* @author Ciaran O'Reilly
*
*/
public interface ActionsFunction {
/**
* Given a particular state s, returns the set of actions that can be
* executed in s.
*
* @param s
* a particular state.
* @return the set of actions that can be executed in s.
*/
Set<Action> actions(Object s);
}