text: #ifndef WATERSIM_DATA_HPP
  #define WATERSIM_DATA_HPP
  
  #include <watersim.hpp>
  #include <Cell.hpp>
  
  namespace watersim {
      struct Data {
          static std::vector<std::vector<Cell>> cells;
          static bool cellOn(int x, int y);
          static bool cellOn(const std::pair<int,int> &coords);
      };
  }
  
  #endif