Package com.singularsys.jep.functions.strings

Class Concat

java.lang.Object

com.singularsys.jep.functions.PostfixMathCommand

com.singularsys.jep.functions.NaryBinaryFunction

com.singularsys.jep.functions.strings.Concat

All Implemented Interfaces:

PostfixMathCommandI, Serializable

public class Concat
extends NaryBinaryFunction

Concatenates string arguments. Syntax: concat(str1,str2,...) An exception is thrown if non string arguments are found.

See Also:

• Serialized Form

Field Summary

Fields inherited from class com.singularsys.jep.functions.PostfixMathCommand

curNumberOfParameters, description, name, NaN, numberOfParameters

Constructor Summary

Constructors

Constructor	Description
Concat()

Method Summary

Modifier and Type	Method	Description
String	concat(Object l, Object r)
Object	eval(Object l, Object r)	Evaluate given a pair of arguments.

Methods inherited from class com.singularsys.jep.functions.NaryBinaryFunction

checkNumberOfParameters, eval, instanceOf, instanceOf, instanceOf, instanceOf, run

Methods inherited from class com.singularsys.jep.functions.PostfixMathCommand

asArray, asBool, asDouble, asInt, asLong, asStrictInt, asString, asType, getDescription, getDescription, getDescriptionWithType, getName, getNumberOfParameters, setCurNumberOfParameters, setDescription, setName, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Details

Concat

public Concat()

Method Details

eval

public Object eval(Object l,
 Object r)
            throws EvaluationException

Description copied from class: NaryBinaryFunction

Evaluate given a pair of arguments. Must be specified for all implementing classes.

Specified by:

eval in class NaryBinaryFunction

Parameters:

l - lhs argument

r - rhs argument

Returns:

result of applying the function to the arguments

Throws:

EvaluationException - on error.

concat

public String concat(Object l,
 Object r)
              throws EvaluationException

Throws:

EvaluationException