27 lignes
447 B
C++
27 lignes
447 B
C++
#include "utils.h"
|
|
|
|
template<class G, class V, class C>
|
|
class Grouper
|
|
{
|
|
std::map<G, std::vector<const V*>, C> results;
|
|
public:
|
|
|
|
Grouper(C c)
|
|
{
|
|
results = std::map<G, std::vector<const V*>, C>(c);
|
|
}
|
|
|
|
void group(const std::function<G(const V&)> &map, const std::vector<V> &values)
|
|
{
|
|
for(const V &v : values)
|
|
{
|
|
results[map(v)].push_back(&v);
|
|
}
|
|
}
|
|
|
|
std::map<G, std::vector<const V*>, C> &getResults()
|
|
{
|
|
return this->results;
|
|
}
|
|
};
|