string-screen.h

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#pragma once
 
#include "screen.h"
#include <string>
#include <vector>
 
class StringScreen : public Screen {
public:
  explicit StringScreen(int width, int height);
  char charAt(int col, int row) const;
  void charAtPut(int col, int row, char value);
  void clear();
  std::string toString() const;
 
private:
  std::vector<std::vector<char>> buffer_;
};