Package org.daiitech.naftah.builtin.lang

Class NaN

java.lang.Object

org.daiitech.naftah.builtin.lang.NaN

public final class NaN
extends Object

Represents a singleton instance of a non-numeric value (NaN).

This class is used to indicate an invalid or undefined result in custom expression evaluation, similar to Double.NaN but at the object level.

يستخدم هذا الكائن لتمثيل قيمة غير رقمية (NaN) في لغة مخصصة أو مفسر، وهو بديل مخصص لـ Double.NaN يمكن استخدامه في القيم الديناميكية.

Author:

Chakib Daii

Field Summary

Fields

Modifier and Type	Field	Description
private static final NaN	INSTANCE	The single instance of NaN.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	NaN()

Method Summary

Modifier and Type	Method	Description
static Object	get()	Returns the singleton NaN instance.
static boolean	isNaN(Object object)	Checks whether the given object is the singleton NaN instance.
String	toString()	Returns a string representation of the NaN value.

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

private static final NaN INSTANCE

The single instance of NaN.

النسخة الوحيدة المتاحة من NaN.

Constructor Details

NaN

private NaN()

Method Details

get

public static Object get()

Returns the singleton NaN instance.

يُرجع النسخة الوحيدة من NaN.

Returns:

the singleton instance representing "not a number"

isNaN

public static boolean isNaN(Object object)

Checks whether the given object is the singleton NaN instance.

يتحقق مما إذا كان الكائن المُعطى هو قيمة NaN.

Parameters:

object - the object to check

Returns:

true if the object is the NaN instance, otherwise false

toString

public String toString()

Returns a string representation of the NaN value.

يُرجع تمثيلاً نصياً للقيمة غير الرقمية.

Overrides:

toString in class Object

Returns:

the string "<قيمة_غير_رقمية>"