Re: [boost] [fusion] ftag

From: Andy Little (andy_at_[hidden])
Date: 2006-09-23 05:34:52

"Joel de Guzman" <joel_at_[hidden]> wrote in message 
news:45148B4C.3030804_at_boost-consulting.com...
> Andy Little wrote:
>> "Joel de Guzman" <joel_at_[hidden]> wrote in message
>> news:ef1t83$bhv$1_at_sea.gmane.org...
>>> Andy Little wrote:
>>>> "David Abrahams" <dave_at_[hidden]> wrote in message
>>>> news:87fyenkjh9.fsf_at_pereiro.luannocracy.com...
>>>>> AFAICT the name ftag should be changed to something more descriptive
>>>>> and more certainly unique, e.g. boost_fusion_iterator_tag.  Is there
>>>>> a reason it needs to be so short?
>>>> Why make such a trivial  change to the  interface post review? AFAICS now 
>>>> is
>>>> too
>>>> late, and will cause unnecessary pain to users.. like myself.
>>> Well, actually, it shouldn't be a part of the interface.
>>> Here, I'm used to calling it the f#%$tag :) It's not supposed
>>> to be for public consumption, and I intend to enforce that.
>>> Either way, it's not a good name (especially for minors. ;)
>>> and it must be changed.
>>
>> And BTW its pretty public in the 'make your own iterator" part of the docs.
>
> Yeah. That's unfortunate. I asked Dan to fix it. Anyway, I suggest you
> do the right thing: specialize tag_of.

OK. Maybe I oughtta move my iterators out of namespace fusion too :-). Anyway 
its only quick test code at the moment.

>> So far I have made 5 fusion style iterators. Next is the matrix minor 
>> iterator,
>> which extracts minors from a matrix, as a prelude to extracting cofactors.
>
> Cool!

BTW 'Minors' is section 2.7.1 in my  "Quaternions and Rotation Sequences, A 
Primer with Applications to Orbits, Aerospace and Virtual Reality." by Jack B. 
Kuipers.

IOW that is where I am up to in the book so far!

 Question is... will I get to the end of the book or the end of compiler 
resources first?

 :-)

regards
Andy Little