class Egg {
Egg e;
int i;
Egg(int ii=0) : i(ii) {}
};
because you would end up with an endless definition (memory allocation) of Egg objects, thus int i.
Ok, so God Eckel proposes for a singleton:
Code:
class Egg {
static Egg e;
int i;
Egg(int ii=0) : i(ii) {}
};
Egg Egg::e(47);
Does the static qualifier prevent from the memory allocation for the endless series of int i? I am not quite sure because any new Egg object (thus, int i) is in an inner scope (e.e...), even static says that all Egg objects share the same static memory for that member. ???
I understand that making the constructor private prevents the class user from creating any object, leaving us only with the shared static data member, previously defined by the class creator. Right?
Thanks for reading
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Hi, i have a question about C++. Is it possible to declare a class with a member ot the same class? For example, a linked list or i want to convert this C code to C++ class (Elemento)
typedef struct elemento
{
char name;
char value;
List<struct elemento> ltElementos;
... (7 Replies)
Hi all!
I am trying to register a device in an existing device class, but I am
having trouble getting the pointer to an existing class.
I can create a class in a module, get the pointer to it and then use
it to register the device with:
*cl = class_create(THIS_MODULE, className);... (0 Replies)
I have the two class definition as follows.
class A { public: int a; };
class B : virtual public A{ };
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Hello All,
I am a learner in C++. I was testing my inheritance knowledge with following piece of code.
#include <iostream>
using namespace std;
class base
{
public :
void display()
{
cout << "In base display()" << endl;
}
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Discussion started by: milhan
3 Replies
LEARN ABOUT DEBIAN
soglclipplaneelement
SoGLClipPlaneElement(3) Coin SoGLClipPlaneElement(3)NAME
SoGLClipPlaneElement -
The SoGLClipPlaneElement class is yet to be documented.
FIXME: write doc.
SYNOPSIS
#include <Inventor/elements/SoGLClipPlaneElement.h>
Inherits SoClipPlaneElement.
Public Member Functions
virtual void init (SoState *state)
FIXME: write doc.
virtual void pop (SoState *state, const SoElement *prevTopElement)
FIXME: write doc.
Static Public Member Functions
static SoType getClassTypeId (void)
static int getClassStackIndex (void)
static void * createInstance (void)
static void initClass (void)
static int getMaxGLPlanes (void)
FIXME: write doc.
Protected Member Functions
virtual ~SoGLClipPlaneElement ()
virtual void addToElt (const SbPlane &plane, const SbMatrix &modelMatrix)
FIXME: write doc.
Additional Inherited Members
Detailed Description
The SoGLClipPlaneElement class is yet to be documented.
FIXME: write doc.
Constructor &; Destructor Documentation
SoGLClipPlaneElement::~SoGLClipPlaneElement (void) [protected], [virtual]
The destructor.
Member Function Documentation
SoType SoGLClipPlaneElement::getClassTypeId (void) [static]
This static method returns the class type.
Reimplemented from SoClipPlaneElement.
int SoGLClipPlaneElement::getClassStackIndex (void) [static]
This static method returns the state stack index for the class.
Reimplemented from SoClipPlaneElement.
void * SoGLClipPlaneElement::createInstance (void) [static]
This API member is considered internal to the library, as it is not likely to be of interest to the application programmer.
Reimplemented from SoClipPlaneElement.
void SoGLClipPlaneElement::initClass (void) [static]
This static method initializes static data for the SoGLClipPlaneElement class.
Reimplemented from SoClipPlaneElement.
Author
Generated automatically by Doxygen for Coin from the source code.
Version 3.1.3 Wed May 23 2012 SoGLClipPlaneElement(3)
08-09-2012
static use for class inside the same class c++
