IData.h

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#ifndef IDATA_H
#define IDATA_H

namespace operational_research
{

class IData
{
public:
    virtual ~IData() {}

    virtual void readDataFromFile(const std::string& filename) = 0;

    virtual void writeDataToFile(const std::string& filename) = 0;
    
    virtual void showData() = 0;
};

} // namespace operational_research

#endif // IDATA_H