16 lines
263 B
C++
16 lines
263 B
C++
#include <stdio.h>
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#define interface struct
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interface ICallback {
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virtual int val() = 0;
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virtual double calc(double v) = 0;
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};
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extern "C" void f(ICallback* cb) {
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printf("val: %d\ncalc(2): %lf\n", cb->val(), cb->calc(2));
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}
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void g(ICallback* cb) {
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f(cb);
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}
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