The Thermopylae excerpt of TDPL available online

[Denis Koroskin]

On Thu, 29 Oct 2009 15:12:51 +0300, Lars T. Kyllingstad  
<public at kyllingen.nospamnet> wrote:

> Jason House wrote:
>> Andrei Alexandrescu Wrote:
>>
>>> It's a rough rough draft, but one for the full chapter on arrays,  
>>> associative arrays, and strings.
>>>
>>> http://erdani.com/d/thermopylae.pdf
>>>
>>> Any feedback is welcome. Thanks!
>>  I still think is expressions are a glaring problem. Somewhere in the  
>> text, you use assert(!is(typeof(... as support for what you're talking  
>> about. That particular construct feels more like a hack someone  
>> stumbled into than clean, easy to read code. It's the type of thing a  
>> programmer will get wring unless they use it frequently. Even you've  
>> screwed it up in past Phobos releases!  IMHO all is(...) expressions  
>> should be revisited. Have you written the section(s) on them yet?
>
> I don't think he uses is(typeof(...)) in the text. The code snippets in  
> question are marked "Note: normally the code below would not be  
> included...", and I suppose he's put them there as a reminder for  
> himself and Walter on what needs to be fixed before the book comes out.
>
> I agree with you, though, is(typeof(...)) is quite often misused, or at  
> least used in an ugly way. Why not use __traits(compiles, ...) instead?
>
> -Lars

... which is at least as ugly.