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What is the main difference between int, NSInteger and NSUInteger in Objective-C?
Which one is better to use in an application and why?
851
Describes an unsigned integer.
It is not a C primitive (like int, unsigned int, float, double, etc.) NSInteger , CGFloat , NSUInteger are simple typedefs over the C primitives.
NSNumber is a subclass of NSValue that offers a value as any C scalar (numeric) type. It defines a set of methods specifically for setting and accessing the value as a signed or unsigned char , short int , int , long int , long long int , float , or double or as a BOOL .
In such cases you might right click and go to definition:
#if __LP64__ || (TARGET_OS_EMBEDDED && !TARGET_OS_IPHONE) || TARGET_OS_WIN32 || NS_BUILD_32_LIKE_64 typedef long NSInteger; typedef unsigned long NSUInteger; #else typedef int NSInteger; typedef unsigned int NSUInteger; #endif If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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