nil NULL 空值处理【NSInvalidArgumentException】

1.*** -[__NSPlaceholderArray initWithObjects:count:]: attempt to insert nil object from objects[0]'
2.***  setObjectForKey: object cannot be nil (key: key)
3.*** +[NSString stringWithUTF8String:]: NULL cString
4.*** +[NSString stringWithCString:encoding:]: NULL cString
5.*** -[__NSCFConstantString stringByAppendingString:]: nil argument';
6.*** -[__NSPlaceholderDictionary initWithObjects:forKeys:count:]: attempt to insert nil object from objects[0]'
7.*** - -[__NSDictionaryM removeObjectForKey:]: key cannot be nil'
8.*** -[__NSPlaceholderSet initWithObjects:count:]: attempt to insert nil object from objects[0]'

越界【NSRangeException】

1.*** -[__NSSingleObjectArrayI objectAtIndex:]: index 4 beyond bounds [0 .. 0]
2.***-[NSArray subarrayWithRange:]: range {50, 100} extends beyond bounds [0 .. 2]
3.*** -[__NSArrayM removeObjectsInRange:]: range {50, 10} extends beyond bounds [0 .. 2]
4.*** -[__NSCFConstantString substringFromIndex:]: Index 50 out of bounds; string length 10

Installation

RBSafeKit is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "RBSafeKit"

Author

baxiang, [email protected]

License

RBSafeKit is available under the MIT license. See the LICENSE file for more info.