69 lines
1.1 KiB
C
69 lines
1.1 KiB
C
// Build don't link:
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// GROUPS passed visibility
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#include <iostream.h>
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class base {
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//==========
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void base_priv(char * n)
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{ cout << "base_priv called from: " << n << "\n"; };
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protected:
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void base_prot(char * n)
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{ cout << "base_prot called from: " << n << "\n"; };
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public:
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void base_publ(char * n)
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{ cout << "base_publ called from: " << n << "\n"; };
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void test(char * n) { base_publ(n); base_prot(n); base_priv(n); }
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}; // class base
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class derived : public base { // Make this public,
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//============================ // and we don't get an error
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friend void derived_friend();
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public :
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void test(char * n) { base_publ(n); base_prot(n);}
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}; // class derived
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void
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derived_friend()
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//--------------
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{
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derived pd;
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pd.base_publ("friend of derived class"); // Compiler error here
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pd.base_prot("friend of derived class");
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}
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main(int argc, char *argv[])
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//==========================
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{
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base b;
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b.base_publ("base class object");
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b.test("member of base class object");
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cout << "\n";
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derived pd;
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pd.test("member of derived class object");
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derived_friend();
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cout << "\n";
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} /* main */
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