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Static Public Member Functions | Friends | List of all members
KJS::Undefined Class Reference

#include <value.h>

Inheritance diagram for KJS::Undefined:
KJS::Value

Static Public Member Functions

static Undefined dynamicCast (const Value &v)
 

Friends

class UndefinedImp
 

Additional Inherited Members

- Public Member Functions inherited from KJS::Value
 Value (ValueImp *v)
 
 Value (const Value &v)
 
Value & operator= (const Value &v)
 
bool isValid () const
 
bool isNull () const
 
ValueImp * imp () const
 
Type type () const
 
bool isA (Type t) const
 
Value toPrimitive (ExecState *exec, Type preferredType=UnspecifiedType) const
 
bool toBoolean (ExecState *exec) const
 
double toNumber (ExecState *exec) const
 
int toInteger (ExecState *exec) const
 
int toInt32 (ExecState *exec) const
 
unsigned int toUInt32 (ExecState *exec) const
 
unsigned short toUInt16 (ExecState *exec) const
 
UString toString (ExecState *exec) const
 
Object toObject (ExecState *exec) const
 
bool toUInt32 (unsigned &i) const
 
- Protected Attributes inherited from KJS::Value
ValueImp * rep
 

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.

Definition at line 269 of file value.h.

Constructor & Destructor Documentation

◆ Undefined()

Undefined::Undefined ( )

Definition at line 285 of file value.cpp.

Member Function Documentation

◆ dynamicCast()

Undefined Undefined::dynamicCast ( const Value &  v)
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 isValid() methods afterwards before calling any methods on the returned value.

Returns
The value converted to an Undefined

Definition at line 289 of file value.cpp.

Friends And Related Function Documentation

◆ UndefinedImp

friend class UndefinedImp
friend

Definition at line 284 of file value.h.


The documentation for this class was generated from the following files:
  • value.h
  • internal.h
  • value.cpp

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