#define weakify(...) \

    rac_keywordify \

    metamacro_foreach_cxt(rac_weakify_,, __weak, __VA_ARGS__)

#define unsafeify(...) \

    rac_keywordify \

    metamacro_foreach_cxt(rac_weakify_,, __unsafe_unretained, __VA_ARGS__)

#define strongify(...) \

    rac_keywordify \

    _Pragma("clang diagnostic push") \

    _Pragma("clang diagnostic ignored \"-Wshadow\"") \

    metamacro_foreach(rac_strongify_,, __VA_ARGS__) \

    _Pragma("clang diagnostic pop")

#if DEBUG

#define rac_keywordify autoreleasepool {}

#else

#define rac_keywordify try {} @catch (...) {}

#endif