slogo.expression

Class Subtraction

java.lang.Object

slogo.GrammarElement

slogo.expression.Expression

slogo.expression.BinaryExpression

slogo.expression.Subtraction

public class Subtraction
extends BinaryExpression

Represents a subtraction (e.g., lhs - rhs)

Field Summary

Fields inherited from class slogo.expression.BinaryExpression

myLeft, myRight, mySymbol

Fields inherited from class slogo.GrammarElement

gelementsToValue

Constructor Summary

Constructors

Constructor and Description
Subtraction(Expression lhs, Expression rhs) Represents a subtraction

Method Summary

Methods

Modifier and Type	Method and Description
double	value(Context c)

Methods inherited from class slogo.expression.BinaryExpression

leftValue, rightValue, toString

Methods inherited from class slogo.expression.Expression

evaluate

Methods inherited from class java.lang.Object

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

Constructor Detail

Subtraction

public Subtraction(Expression lhs,
           Expression rhs)

Represents a subtraction

Parameters:

lhs - the left-hand side of the subtraction (before the -)

rhs - the right-hand side of the addition (after the -)

Method Detail

value

public double value(Context c)

Specified by:

value in class Expression