[geos-devel] More Info - Another Portability Quirk

Paul Ramsey pramsey at refractions.net
Sun Oct 6 22:57:26 EDT 2002

I just went through my stl_*.h files, as well as the G++ STL online 
documentation, and it looks like at() is a recent addition to the G++ 
STL -- sometime in the 3.x series (mine is from gcc 2.96 vintage). Are 
there other accessors which are possible, or is a latest-and-greatest 
STL going to be one of our requirements? Is there a way of having 
configure check the existance of various components of the STL?

BTW, congratulations Yury on getting Relate close to completion! We are 
really looking forward to the integration! Keep on it!


Paul Ramsey wrote:
> My GNU compilation us currently failing with an error of this sort:
> Polygon.cpp:223: no matching function for call to `vector<Geometry *,
> allocator<Geometry *> >::at (unsigned int &)'
> With the offending code looking like:
>         for(unsigned int i=0;i<holes.size();i++) {
>                 holes.at(i)->apply(filter);
>         }
> I assume 'holes' is a 'vector' object from the STL and 'at()' is a 
> function name which does not exist in my GNU version of the STL.
> P.
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