kodkod.ast
Class ConstantFormula

java.lang.Object
  extended by kodkod.ast.Formula
      extended by kodkod.ast.ConstantFormula
All Implemented Interfaces:
Node

public abstract class ConstantFormula
extends Formula

A constant formula, true or false.

Author:
Emina Torlak
invariant:
no children

Field Summary
 
Fields inherited from class kodkod.ast.Formula
FALSE, TRUE
 
Method Summary
<E,F,D,I> F
accept(ReturnVisitor<E,F,D,I> visitor)
          Accepts the given visitor and returns the result.
 void accept(VoidVisitor visitor)
          Accepts the given visitor.
 boolean booleanValue()
          Returns the boolean value that corresponds to this constant formula.
 java.lang.String toString()
          Returns the string representation of this formula.
 
Methods inherited from class kodkod.ast.Formula
and, compose, comprehension, forAll, forSome, iff, implies, not, or, quantify, thenElse, thenElse
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Method Detail

booleanValue

public final boolean booleanValue()
Returns the boolean value that corresponds to this constant formula.

Returns:
this=TRUE => true, false

accept

public <E,F,D,I> F accept(ReturnVisitor<E,F,D,I> visitor)
Accepts the given visitor and returns the result.

Specified by:
accept in interface Node
Specified by:
accept in class Formula
Returns:
the result of being visited by the given visitor
See Also:
Node.accept(kodkod.ast.visitor.ReturnVisitor)

accept

public void accept(VoidVisitor visitor)
Accepts the given visitor.

See Also:
Node.accept(kodkod.ast.visitor.VoidVisitor)

toString

public java.lang.String toString()
Returns the string representation of this formula.

Overrides:
toString in class java.lang.Object
Returns:
string representation of this formula