class Undefined

Public Methods

•  Undefined ()
•  Undefined (const Undefined &v)
• virtual  ~Undefined ()
• Undefined&  operator= (const Undefined &v)

Public Static Methods

• static Undefined  dynamicCast (const Value &v)

Detailed Description

Represents an primitive Undefined value. All instances of this class share the same implementation object, so == will always return true for any comparison between two Undefined objects.

[virtual]

Reimplemented from Value.

[static]

Converts a Value into an Undefined. If the value's type is not UndefinedType, a null object will be returned (i.e. one with it's internal pointer set to 0). If you do not know for sure whether the value is of type UndefinedType, you should check the isNull() methods afterwards before calling any methods on the returned value.

Returns: The value converted to an Undefined