Debug output functions

[Mike Parker]

On 7/3/2012 12:12 PM, Wouter Verhelst wrote:
>
> So, I wanted to create a number of functions that would call write(),
> writef(), writefln(), or writeln() with whatever arguments they were
> given, but only if the user had used a 'enable debugging' command-line
> option (or some such).
>
> What I first did was this:
>
> module debugout;
>
> int debuglevel;


Are you aware of debug conditions?

http://dlang.org/version.html#debug

They can be set on the command line or in code at module level. In the 
former case, it's global. In the latter, only module scope.