[boost] Re: boost/compose tests...

From: Nicolai Josuttis (nicolai.josuttis_at_[hidden])
Date: 1999-10-14 12:30:33

Alexandre Karev wrote:
> 
> >
> >Thanks!
> >However, could you tell me
> > - why you had to include <cstddef>
> > - why you had to include <iterator>
> >I don't see the the need to include them at the moment.
> >So may be I am wrong or the library headers are incorrect.
> >
> >Thanks
> >
> 
>         Hello, Nicolai!
> 
>         I'll start with second question because it is very simple:
>         <iterator> has been included for ostream_iterator definition.
>         At least in the STLport it defined there.
> 
Ah, yes, of course!
I'll fix it ASAP
Thanks

>         An answer for a first one is - to avoid to be dependent on the
>         include file order.
>         For example.  If the order in Your tests will be
> 
>                 #include <algorithm>
>                 #include <functional>
>                 #include <iostream>
>                 #include <vector>
> 
>         everything goes fine (this order from compose1.cpp, BTW).
> 
>         But You have:
> 
>                 #include <iostream>
>                 #include <vector>
>                 #include <algorithm>
>                 #include <functional>
> 
>         In this case somewhere in depth I got ptrdiff_t undefined.
>         So for me to be safe from include file order I had to include
>         <cstddef> before <iostream>.
>         Of course it can be broken library implementation but that fix
>         works for me.
> 
OK, but my code is not written to fix all bugs in compilers
(there may be several other include files compilers forget to include
internally).
So, we should send a bug report to STLport.

>                 Thank You, Sasha.

Thanks you for your help.

> ---
>  Alexandre Karev  EP/CERN  Alexandre.Karev_at_[hidden]
> 
> "The most difficult thing is to prove the evident".
>                                        Folk wisdom.
> 
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-- 
Nicolai M. Josuttis          	http://www.josuttis.de/
Solutions in Time        	mailto:solutions_at_[hidden]