should postconditions be evaluated even if Exception is thrown?
Andrei Alexandrescu
SeeWebsiteForEmail at erdani.org
Thu Dec 3 09:39:21 PST 2009
Don wrote:
> Walter Bright wrote:
>> Brad Roberts wrote:
>>> Walter Bright wrote:
>>>> Rory McGuire wrote:
>>>>> I would think that if a method in a class throws then at least the
>>>>> class' invariant should be run? does it?
>>>> No.
>>>
>>> Do you consider that broken or correct?
>>
>>
>> Not sure.
>
> I think it has to. Otherwise, how can the caller restore the invariant?
> Note that once the invariant is invalid, it can't call any member
> functions! The only thing it could do is delete the object.
s/delete the object/terminate the program ASAP/
Andrei
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