public class NoneProduct<R,T> extends Object implements Product<R,T>
Set<R>
getRootSet()
T
getValue()
boolean
isEmpty()
static <R,T> NoneProduct<R,T>
none()
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public static <R,T> NoneProduct<R,T> none()
public boolean isEmpty()
isEmpty
Product<R,T>
public Set<R> getRootSet()
getRootSet
public T getValue()
getValue
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