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- #pragma once
- #if defined _WIN32 || defined __CYGWIN__
- #define DLL_PUBLIC __declspec(dllexport)
- #else
- #if defined __GNUC__
- #define DLL_PUBLIC __attribute__ ((visibility("default")))
- #else
- #pragma message ("Compiler does not support symbol visibility.")
- #define DLL_PUBLIC
- #endif
- #endif
- class Ef {
- private:
- int x;
- public:
- DLL_PUBLIC Ef();
- int DLL_PUBLIC get_x() const;
- };
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