Debug output functions

[Wouter Verhelst]

Mike Parker <aldacron at gmail.com> writes:

> 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.

Yes, but these are defined at compile time, if I understand things
correctly. That's useful, but not what I'm after; the idea would be that
a user of my application could use a '-v' option on the command line to
get more output.

-- 
The volume of a pizza of thickness a and radius z can be described by
the following formula:

pi zz a