edu.washington.cs.knowitall.logic

Class Expression.Op<E>

java.lang.Object

edu.washington.cs.knowitall.logic.Expression<E>

edu.washington.cs.knowitall.logic.Expression.Apply<E>

edu.washington.cs.knowitall.logic.Expression.Op<E>

Direct Known Subclasses:

Expression.Op.Bin, Expression.Op.Mon

Enclosing class:

Expression<E>

public abstract static class Expression.Op<E>
extends Expression.Apply<E>

An operator expression.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Expression.Op.Bin<E> An operator that takes two arguments, such as disjunction.
static class	Expression.Op.Mon<E> An operator that takes a single argument, such as negation.

Nested classes/interfaces inherited from class edu.washington.cs.knowitall.logic.Expression

Expression.Apply<E>, Expression.Arg<E>, Expression.Op<E>, Expression.Paren<E>

Constructor Summary

Constructors

Constructor and Description
Expression.Op()

Method Summary

Methods

Modifier and Type	Method and Description
abstract int	precedence() The precedence of this operator.
boolean	preceeds(Expression.Op<?> that)

Methods inherited from class edu.washington.cs.knowitall.logic.Expression.Apply

apply

Methods inherited from class java.lang.Object

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

Constructor Detail

Expression.Op

public Expression.Op()

Method Detail

preceeds

public boolean preceeds(Expression.Op<?> that)

precedence

public abstract int precedence()

The precedence of this operator. A smaller number denotes higher precedence.