#ifndef __CLOSURE__
#define __CLOSURE__

struct NonTrivial {
  NonTrivial() noexcept { p = new int(123); }
  ~NonTrivial() { delete p; }
  NonTrivial(const NonTrivial &other) noexcept {
    p = new int(*other.p);
  }
  int *p;
};

void cfunc(void (^ _Nonnull block)(NonTrivial)) noexcept {
  block(NonTrivial());
}

void cfunc2(void (*_Nonnull fp)(NonTrivial)) noexcept { (*fp)(NonTrivial()); }

NonTrivial cfunc3(NonTrivial, int, NonTrivial);

#if __OBJC__
struct ARCStrong {
  id a;
};

void cfuncARCStrong(void (*_Nonnull)(ARCStrong)) noexcept ;
#endif

void cfuncReturnNonTrivial(NonTrivial (^_Nonnull)()) noexcept;
void cfuncReturnNonTrivial2(NonTrivial (*_Nonnull)()) noexcept;

struct ARCWeak {
#if __OBJC__
  __weak _Nullable id m;
#endif
};

void cfuncARCWeak(void (^ _Nonnull block)(ARCWeak)) noexcept {
  block(ARCWeak());
}

void cfunc(NonTrivial) noexcept;
void cfuncARCWeak(ARCWeak) noexcept;

void (* _Nonnull getFnPtr() noexcept)(NonTrivial) noexcept;
void (* _Nonnull getFnPtr2() noexcept)(ARCWeak) noexcept;

#endif // __CLOSURE__