Stroustrup's slides about c++11 and c++14
Dicebot via Digitalmars-d
digitalmars-d at puremagic.com
Wed Sep 17 09:12:27 PDT 2014
On Sunday, 14 September 2014 at 22:58:44 UTC, David Nadlinger
wrote:
> On Sunday, 14 September 2014 at 07:35:12 UTC, Daniel Murphy
> wrote:
>> I do acknowledge this is a problem, but I am yet to run into
>> it in actual D code. Most of my static ifs are either inside
>> templates, inside functions, or are being used to bypass
>> version's limitations.
>
> I tend to run into forward referencing issues all the time
> "declarative" metaprogramming, i.e. when generating some code
> based on existing symbols and their attributes (e.g.
> serialization, RPC, …). Manu IIRC also has some related war
> stories to tell.
>
> Granted, it's not the directly the same as two ifs next to each
> other conflicting (you mostly get dependencies via
> __traits(allMembers, …) and so on), but whatever forward
> reference resolution mechanism we choose must be able to handle
> both the same.
>
> David
Yes, this is not uncommon way to hit the wall. Separating
reflection/generation "stages" into different modules and keeping
an eye for cyclic imports seems like a best way to address it
right now in my opinion.
More information about the Digitalmars-d
mailing list