home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Language/OS - Multiplatform Resource Library
/
LANGUAGE OS.iso
/
gnu
/
nihcl-30.lha
/
nihcl-3.0
/
ex
/
ex6-4.c
< prev
next >
Wrap
C/C++ Source or Header
|
1990-05-15
|
587b
|
32 lines
// ex6-4.c -- Calling a virtual function from a
// base class constructor
// $Header: /afs/alw.nih.gov/unix/sun4_40c/usr/local/src/nihcl-3.0/share/ex/RCS/ex6-4.c,v 3.0 90/05/15 22:45:46 kgorlen Rel $
#include <iostream.h>
class A {
public:
virtual void vf();
};
void A::vf() { cout << "A::vf()" << endl; }
class B: public A {
public:
B() { vf(); } // Calls A::vf(), not C::vf()
};
class C: public B {
public:
C() { vf(); } // Calls C::vf()
virtual void vf();
};
void C::vf() { cout << "B::vf()" << endl; }
main()
{
C c;
}