Design By Contract

[Chris Nicholson-Sauls]

Bruno Medeiros wrote:
> Chris Nicholson-Sauls wrote:
> 
>> Stephane Wirtel wrote:
>>
>>> Hi all,
>>>
>>> I don't know if there is a release mode or debug mode, so. I did not
>>> read the specs of D. I would like to known if is it possible to disable
>>> the design by contract in release mode ?
>>>
>>> Thanks
>>
>>
>> Well, there is debug mode, release mode, and what I like to term 
>> "indifferent mode."  To get debug mode you, simply enough, pass the 
>> "-debug" command line switch to DMD.  To get release mode, you pass 
>> "-release" to it, which disables all the runtime features covered by 
>> Design-by-Contract, and a few other things.  To get "indifferent mode" 
>> just don't pass either switch.  I'm really not sure what to say about 
>> it, except that it neither passes the debug flag to the parser (there 
>> is a 'debug' attribute that can be used for applying debug-mode-only 
>> code, with an optional 'else' clause for its indifferent/release-mode 
>> counterpart), nor does it seem to cut out the features that 
>> release-mode cuts.  Its... just there.  Huh.
>>
>> In short, essentially... yes.  In release mode, all runtime 
>> Design-by-Contract (and other related things) are gone.
>>
>> -- Chris Nicholson-Sauls
> 
> 
> And what do you call "-release -debug" mode? It's confusing (perhaps 
> unnecessarily) but the two options are not related, there are 4 "modes".
> 
> 

Personally, I call it "confounded mode" and never use it.  Not even sure what use it could 
have.

-- Chris Nicholson-Sauls