a-star/1_a.cpp
string CellString(State cell) {
  switch(cell) {
    case State::kObstacle: return "⛰️    ";
    case State::kPath: return "🚗   ";
    case State::kStart: return "🚦   ";
    case State::kFinish: return "🏁   ";
    default: return "0    "; 
  }
}
/**
 * @brief Returns image objects for values in the gridworld
 * 
 * @param cell Cell of the gridworld
 * @return std::string 
 */
@brief Returns image objects for values in the gridworld

@param cell Cell of the gridworld
@return std::string
@brief Returns image objects for values in the gridworld @param cell Cell of the gridworld @return std :: string
string CellString(State cell) {
  switch(cell) {
    case State::kObstacle: return "⛰️    ";
    case State::kPath: return "🚗   ";
    case State::kStart: return "🚦   ";
    case State::kFinish: return "🏁   ";
    default: return "0    "; 
  }
}
string CellString ( State cell ) { switch ( cell ) { case State :: kObstacle : return " case State :: kPath : return " case State :: kStart : return " case State :: kFinish : return " default : return " " ; } }
@brief Returns image objects for values in the gridworld
@brief Returns image objects for values in the gridworld