30 lines
413 B
C
30 lines
413 B
C
class A;
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typedef int (A::*f_ptr) (void);
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class B {
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public:
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B() {}; ~B() {};
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B& dummy(f_ptr cb) { return *this; };
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};
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template<class SP, class CB> SP& call_dummy(SP* sp, CB cb) {
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sp->dummy(cb);
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return *sp;
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};
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class A {
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public:
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A() {}; ~A() {};
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int ok() { return 0; };
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A& call_it(B* s) {
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call_dummy(s, &A::ok);
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return *this;
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};
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};
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int main() {
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A a; B b;
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a.call_it(&b);
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return 0;
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}
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