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src/ell/StateCollector.hh

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#ifndef WALKCOLLECTOR_HH_
#define WALKCOLLECTOR_HH_

#include "ell/State.hh"
#include <vector>

namespace ell 
{
    class StateCollector
    {
    public: 
    
        virtual
        ~StateCollector() {}
        
        virtual void add(const State& s) = 0;
        
        virtual size_t size() const = 0;
        
        virtual const State* const getLastAdded() const = 0;
        
    };
    
} // namespace ell

#endif /*WALKCOLLECTOR_HH_*/