Objective-c-Static Constants for classes

Create the header file (. h) and export the constants:

// Constants.hNSString *constNSString *const MySecondConstant;//etc.

(You can use extern instead of Foundation_export when the code is not used for mixed-C + + programming.)

Define the source file (. m) and set the constants:

// Constants.mNSString *const MyFirstConstant = @"FirstConstant";NSString *const MySecondConstant = @"SecondConstant";//etc.

When you use class constants, you need to introduce a header file (. h).

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Objective-c-Static Constants for classes