input validation
Andrei Alexandrescu
SeeWebsiteForEmail at erdani.org
Wed Mar 4 12:14:53 PST 2009
Max Samukha wrote:
> On Wed, 04 Mar 2009 10:27:55 -0800, Andrei Alexandrescu
> <SeeWebsiteForEmail at erdani.org> wrote:
>
>> Max Samukha wrote:
>>> If you intruduce a dummy type, why not make it perform validation in a
>>> debug build when sumthing like debug=slowButSafe is set?
>> Because in the case of binarySearch slowButSafe quickly becomes
>> slowAndUseless. It's happened to me - I had an assert(isSorted) in
>> binary search (I guess it's in one of the older phobos releases!) and
>> when I was using the debug version, my program would take forever to run.
>>
>> A debug build should at most change the constant multiplying the
>> complexity, not the complexity.
>>
>>
>> Andrei
>
> I intentionaly proposed a special debug mode, not regular asserts,
> which are on in any debug build. I would like, knowing that I can wait
> a couple of days to make sure my program is correct, to be able to
> turn on validation.
I am waiting a couple of days in release mode with all optimizations
turned on and wind from behind.
Andrei
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