Ignoring return value of function declared with warn_unused_result attribute
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Google出了解决方案:
将以下两个方法:
SecRandomCopyBytes(kSecRandomDefault, keyBytes.length, keyBytes.mutableBytes);
SecRandomCopyBytes(kSecRandomDefault, sizeof(uint32_t), (uint8_t *)mask_key);
前添加(void)即可:
(void)SecRandomCopyBytes(kSecRandomDefault, keyBytes.length, keyBytes.mutableBytes);
(void)SecRandomCopyBytes(kSecRandomDefault, sizeof(uint32_t), (uint8_t *)mask_key);
注:可能是因为Xcode8.0 beta的问题,估计Facebook过段时间会解决