Program Listing for File SpatialMapDataSource.hpp

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#pragma once

#include <string>
#include <utility>

namespace navtk {
namespace geospatial {

class SpatialMapDataSource {
public:
    virtual ~SpatialMapDataSource() = default;

    virtual std::pair<bool, double> lookup_datum(double latitude, double longitude) const = 0;
};
}  // namespace geospatial
}  // namespace navtk