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- #define weakify(var) __weak typeof(var) ClosureWeak_##var = var
- #define strongify(var) \
- _Pragma("clang diagnostic push") \
- _Pragma("clang diagnostic ignored \"-Wshadow\"") \
- __strong typeof(var) var = ClosureWeak_##var; \
- _Pragma("clang diagnostic pop")
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