visibility24.c

来自「this is a gcc file, you can download it 」· C语言 代码 · 共 41 行

// Build don't link: 
// GROUPS passed visibility
// visibility file
// From: [e-mail] (Joe Shapiro)
// Date:     Fri, 20 Aug 93 17:18:18 EDT
// Subject:  Template classes seem to allow users to get at private members
// Message-ID: <[e-mail]>
/*
 * private.cc
 */
extern "C" int printf (const char *, ...);

template <class T>
class A
{
public:
      void Fun() { printf( "Fun fun fun!\n" ); } // ERROR - private
};


template <class T>
class B: private A<T>
{
};


class C
{
public:
    C() { _b.Fun(); }// ERROR - .*

private:
    B<int> _b;
};


int main()
{
    C c;
}