Eliminate assert and lazy from D?

Steven Schveighoffer schveiguy at yahoo.com
Tue Oct 13 11:13:13 PDT 2009


On Tue, 13 Oct 2009 00:33:57 -0400, Andrei Alexandrescu  
<SeeWebsiteForEmail at erdani.org> wrote:

> Right now, the language has enough power to express assert as a library  
> function, as opposed to a primitive construct. (See e.g. enforce.) I  
> think it would be good to relegate assert to object.d.
>
> This also brings up "lazy", which seems to be quite botched. Are there  
> suggestions on how to replicate its functionality in a different way? I  
> even seem to recall lazy was discussed as a disadvantage in the recent  
> dialog on reddit, see
>
> http://www.reddit.com/r/programming/comments/9qf8i/i_wrote_some_d_today_and_its_completely_blowing/
>
> I personally believe it's useful to be able to pass an unevaluated  
> expression into a function, for example assert and enforce themselves  
> use that.
>
> But let's open this for discussion: should assert and/or lazy be  
> removed? If not, why not? It yes, why? How can we replicate their  
> functionality?

How to trigger assert when no -debug or -release flag is set?  Is there a  
flag we can trigger on?

 From what I understand assert triggers when -debug or no flag is set, but  
not when -release flag is set.

-Steve



More information about the Digitalmars-d mailing list