Re: [boost] generict container for structure of arrays

From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2008-07-24 17:02:37

Bradford, Chase wrote:

> int main()
> {
>   typedef basic_soa<std::string, boost::variant<int, float> > MySoa;
> 
>   MySoa s;
> 
>   // Make internal vectors hold 100 elements.
>   s.resize(100);
> 
>   // Create a fields named x and y.  This sort of makes the object a
>   // container of 2D points.
>   s.add_field<float>("x");
>   s.add_field<float>("y");
> 
>   fill( s.field<float>("x").begin(), s.field<float>("x").end(), rand); 
>   fill( s.field<float>("y").begin(), s.field<float>("y").end(), rand); 

If I understand your example correctly, it's quite similar to a
std::(unordered_)map<Key, std::vector<Value> >.