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I have a constants.h file that declares a bunch of strings that I use throughout my app. I only have strings and nothing else. Am I supposed to use #define or static NSString const? #define works but I hear its not best practice.
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The #define is a pre-processor macro. That means that it basically goes through your code and replace your macro with what you've defined.
If you use a const, it's going to be a pointer to the string in memory. It's way more efficient than having the same string being allocated wherever/whenever it is used.
To do that, you'll need both .h and .m files. Your .h file will look something like:
extern NSString * const YOUR_STRING;
And your .m file:
NSString * const YOUR_STRING = @"your string";
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