[Lemon-user] Create and initialize a vector of NodeMaps (or ArcMaps)

[Marco Blanco]

Dear David,

std::vector requires its elements to be copyable, like all STL 
containers. As the error message says, NodeMap doesn't have a copy 
constructor, so you cannot store them in a vector.

I don't know if there is a built-in alternative in Lemon, but what you 
can always do in these cases is to use a vector of pointers to NodeMap.

Kind regards,
Marco

Am 24.01.2017 um 11:16 schrieb David Franz Koza:
>
> Dear all,
>
> I would like to create a vector of NodeMaps. The size of the vector is 
> not a constant, hence I tried the following to initialize the vector:
>
> GraphClass::GraphClass(unsigned intnum_maps) :
>
> vec_of_maps(num_maps, lemon::SmartDigraph::NodeMap<bool>(g))
>
> {
>
> }
>
> with
>
> classGraphClass{
>
> public:
>
>             GraphClass(unsigned intnum_maps);
>
>             lemon::SmartDigraphg;
>
>             std::vector<lemon::SmartDigraph::NodeMap<bool>> vec_of_maps;
>
> };
>
> However, I get the following MSVC error:
>
> Microsoft Visual Studio 14.0\VC\include\xmemory0(737): error C2280: 
> 'lemon::DigraphExtender<lemon::SmartDigraphBase>::NodeMap<bool>::NodeMap(const 
> lemon::DigraphExtender<lemon::SmartDigraphBase>::NodeMap<bool> &)': 
> attempting to reference a deleted function
>
> Any suggestions on how I can initialize a vector of 
> lemon::SmartDigraph::NodeMap<bool>(g) ?
>
> Thanks!
>
>
>
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