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"transformation" is not correct and should not be attempted?
NB: my question is on the conversion of the pointer of pointer. I.e. is this line correct ?

Код: Выделить всё

Parent** ptrToChildPtr = reinterpret_cast(&childPtr);

I know that the pointer deletion could be done in a much simpler way. I just want to show here the conversion I want to perform if such conversion is possible.
Many thanks in advance

Код: Выделить всё

#include 
#include 

class Parent {
public:
Parent() {}
virtual ~Parent() {
std::cout 

Источник: [url]https://stackoverflow.com/questions/78131924/reinterpret-cast-for-pointer-of-pointer[/url]

1709987520

Anonymous


I have two classes a [code]Parent[/code] class and a [code]Child[/code] class (inheriting from the [code]Parent[/code] class) I would like to know if it is possible to cast/transform a [code]Child**[/code] to a  [code]Parent**[/code] with [code]reinterpret_cast[/code] or something else?
Or such thing is not possible
Below is a minimal example. I am wondering is that code correct or [code]Child**[/code] to a  [code]Parent**[/code] "transformation" is not correct and should not be attempted?
[b]NB:[/b] my question is on the conversion of the pointer of pointer. I.e. is this line correct ?
[code]Parent** ptrToChildPtr = reinterpret_cast(&childPtr);
[/code]
I know that the pointer deletion could be done in a much simpler way. I just want to show here the conversion I want to perform if such conversion is possible.
Many thanks in advance
[code]#include 
#include 

class Parent {
public:
Parent() {}
virtual ~Parent() {
std::cout 

Источник: [url]https://stackoverflow.com/questions/78131924/reinterpret-cast-for-pointer-of-pointer[/url]