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# Using debug clauses

Eiffel provides ways to add debug code to features to help during their debugging. You may think of it as the well-known C construct:

    #ifdef MY_DEBUG_FLAG/* Debug code is here */ #endif

The corresponding construct in Eiffel is provided by the debug keyword. It is possible to wrap code inside a debug clause like this:

    	debug("MY_DEBUG_FLAG")
    		-- Debug code is here.
    	end

It is then possible to enable or disable debug clauses globally.

To modify the debug clauses status:

- Open the Project Settings dialog.
- In the Debug section, you can enable/disable the debug clauses.
- Click OK.
- You must recompile your project for the changes to take effect.

Tip: Debug clauses make it easy to remove all debug messages when finalizing a system.