org.projog.core.predicate.builtin.list

Class Flatten

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.list.Flatten

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class Flatten
extends AbstractSingleResultPredicate

flatten(X,Y) - flattens a nested list.

Flattens the nested list represented by X and attempts to unify it with Y.

Constructor Summary

Constructors

Constructor and Description
Flatten()

Method Summary

Modifier and Type	Method and Description
protected boolean	evaluate(Term original, Term expected)

Methods inherited from class org.projog.core.predicate.AbstractSingleResultPredicate

evaluate, evaluate, evaluate, evaluate, evaluate, getArithmeticOperators, getFileHandles, getKnowledgeBase, getOperands, getPredicate, getPredicates, getProjogListeners, getSpyPoints, getTermFormatter, init, isRetryable, setKnowledgeBase

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.projog.core.predicate.PredicateFactory

isAlwaysCutOnBacktrack

Constructor Detail

Flatten

public Flatten()

Method Detail

evaluate

protected boolean evaluate(Term original,
                           Term expected)

Overrides:

evaluate in class AbstractSingleResultPredicate