Class PutChar

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.io.PutChar

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class PutChar
extends AbstractSingleResultPredicate

put_char(X) - writes a character.

put_char(X) - writes character X to the output stream.

Writes to the current output stream. Succeeds only once and the operation is not undone on backtracking.

Constructor Summary

Constructors

Constructor	Description
PutChar()

Method Summary

Modifier and Type	Method	Description
protected boolean	evaluate(Term argument)

Methods inherited from class AbstractSingleResultPredicate

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

Methods inherited from class Object

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

Methods inherited from interface PredicateFactory

isAlwaysCutOnBacktrack, preprocess

Constructor Details

PutChar

public PutChar()

Method Details

evaluate

protected boolean evaluate(Term argument)

Overrides:

evaluate in class AbstractSingleResultPredicate