Love your .pch files

Today is the day I got enlightened about the .pch files.  This is the prefix header for all of your source files in your project. If you have a utility class for example, that you want to import from all your sources, than you can import it in your .pch and then it gets imported from every class. Also if you like using macros for logging, and asserts, etc.. then you can also put them here. 


For example, I change the behavior of my logs and asserts according to my build configurations. To do this, I have a macro _NSLog that logs as usual if I'm in DEBUG configuration, and does nothing if I'm in other configurations. This lets me get a log free distribution package. I have the same logic for the ASSERTs.


This is the .pch file of my current project. BTW, you can see the integration with NSLogger here. When I call _NSLog from any class, LogMessageF of the utility gets called in DEBUG configuration and nothing happens in the others.  


Also see how I tag my logs by using _NSLogJSON, _NSLogDataMan, etc.. which in turn produces logs with tags "JSON" and "DataManager".