Design By Contract

[Georg Wrede]

Chris Nicholson-Sauls wrote:
> 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.

Debugging release code? :-)