How do I declare a debug only statement

Question

In C# I can use the following code to have code which only executes during debug build, how can I do the same in Xcode?

#if DEBUG
{
    // etc etc
}
#endif
         


        

Answer 1

You can use

#ifdef DEBUG
    ....
#endif

You'll need to add DEBUG=1 to the project's preprocessor symbol definitions in the Debug configuration's settings as that's not done for you automatically by Xcode.

I personally prefer doing DEBUG=1 over checking for NDEBUG=0, since the latter implies that the default build configuration is with debug information which you then have to explicitly turn off, whereas 'DEBUG=1' implies turning on debug only code.