com.singularsys.jep.functions.strings
Class Length

java.lang.Object
  extended by com.singularsys.jep.functions.PostfixMathCommand
      extended by com.singularsys.jep.functions.UnaryFunction
          extended by com.singularsys.jep.functions.strings.Length
All Implemented Interfaces:
PostfixMathCommandI, java.io.Serializable

public class Length
extends UnaryFunction

Returns the length of a string: len("hello") -> 5

See Also:
Serialized Form

Field Summary
 
Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand
curNumberOfParameters, name, NaN, numberOfParameters
 
Constructor Summary
Length()
           
 
Method Summary
 java.lang.Object eval(java.lang.Object arg)
           
 
Methods inherited from class com.singularsys.jep.functions.UnaryFunction
run
 
Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand
asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, checkNumberOfParameters, checkStack, getName, getNumberOfParameters, setCurNumberOfParameters, setName, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Length

public Length()
Method Detail

eval

public java.lang.Object eval(java.lang.Object arg)
                      throws EvaluationException
Specified by:
eval in class UnaryFunction
Throws:
EvaluationException


Copyright © 2010 Singular Systems http://www.singularsys.com/jep