Subj : Re: Calling virtual functions in destructors (use BCB for test)
To   : borland.public.cpp.borlandcpp
From : Bob Gonder <notbg@notmindspring.invalid>
Date : Mon Sep 29 2003 12:08 pm

Thomas Maeder [TeamB] wrote:

>> class Base
>> {
>> public:
>>   virtual ~Base(){Func();}
>>   virtual void __fastcall Func(void){ShowMessage("Base");}
>> };
>> class Derived : public Base
>> {
>> public:
>>   virtual ~Derived(){}
>>   virtual void __fastcall Func(void){ShowMessage("Derived");}
>> };
>
>The reason for all this is that if class Derived had a data member, its
>destructor would already have been executed when Func() is called from the
>Base destructor. If Derived::Func() were called, it could inadvertently access
>that already destructed data member, which would have drastic consequences.

What would happen if Base::Func() were pure virtual?

.