[xsd-users] Ambiguous ostream operator

[david.r.moss at selex-comms.com]

Boris,

> I am not sure why VC++ complains about it being ambiguous. g++ correctly
> points out that there is simply no match. I think VC++ is confused by
> the serialization operators (which do not match anyway). 

Wouldn't be the first time vc++ falls short of g++ :)

> Let me know if you have to stick with 2.3.1 and I will try to come up
> with a patch. Otherwise you can use 3.0.0.b1. It has quite a few new
> features and bugfixes.

I can't currently see a reason not to use 3.0.0.b1 so don't worry about a 
patch. thanks anyway, and for the swift response.

Cheers,
Dave.

Dave Moss 
SELEX Communications 
Grange Road 
Christchurch 
Dorset  BH23 4JE 
United Kingdom 
Tel: + 44 (0) 1202 404841 
Email: david.r.moss at selex-comms.com 


xsd-users-bounces at codesynthesis.com wrote on 06/18/2007 03:15:49 PM:

> Hi Dave,
> 
> david.r.moss at selex-comms.com <david.r.moss at selex-comms.com> writes:
> 
> > xsd cxx-tree --generate-serialization empty-list-test.xsd
> >
> > i get the 'error C2593: 'operator <<' is ambiguous' error with the
> > following code:
> >
> > //         cout << "list:" << l << "." << endl;
> 
> I am not sure why VC++ complains about it being ambiguous. g++ correctly
> points out that there is simply no match. I think VC++ is confused by
> the serialization operators (which do not match anyway). In any case,
> you need to add the --generate-ostream option to the command line in
> order to get ostream operators for generated types. After adding this
> option the code compiles fine for me.
> 
> > I discovered this while trying to figure out why an empty list read 
from
> > file (see attached xml) resulted in an object containing one
> > (garbage-looking) item - i was using xsd version 2.3.1 at the time; 
that
> > bug seems to have been fixed in 3.0.0.b1!
> 
> Let me know if you have to stick with 2.3.1 and I will try to come up
> with a patch. Otherwise you can use 3.0.0.b1. It has quite a few new
> features and bugfixes.
> 
> hth,
> -boris
> 


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