Delete

java.lang.Object
- org.projog.core.predicate.AbstractSingleResultPredicate
- - org.projog.core.predicate.builtin.list.Delete

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory
```
public final class Delete
extends AbstractSingleResultPredicate
```
delete(X,Y,Z) - remove all occurrences of a term from a list.
Removes all occurrences of the term Y in the list represented by X and attempts to unify the result with Z. Strict term equality is used to identify occurrences.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  Delete()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected boolean evaluate(Term input, Term element, Term output)
  - 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
- Delete
```
public Delete()
```

Method Detail

evaluate

protected boolean evaluate(Term input,
                           Term element,
                           Term output)

Overrides:: evaluate in class AbstractSingleResultPredicate