CopyTerm

java.lang.Object
- org.projog.core.predicate.AbstractSingleResultPredicate
- - org.projog.core.predicate.builtin.construct.CopyTerm

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory
```
public final class CopyTerm
extends AbstractSingleResultPredicate
```
copy_term(X,Y) - makes a copy of a term.
copy_term(X,Y) makes a copy of X and attempts to unify it with Y. Any variables in term X will be replaced with new variables in the copied version of the term.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  CopyTerm()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected boolean evaluate(Term arg1, Term arg2)
  - 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
- CopyTerm
```
public CopyTerm()
```

Method Detail

evaluate

protected boolean evaluate(Term arg1,
                           Term arg2)

Overrides:: evaluate in class AbstractSingleResultPredicate