pawn.hpp

#ifndef PAWN_HPP
#define PAWN_HPP

#include "chess_piece.hpp"

namespace chess
{
    
    class pawn : public chess_piece
    {
    public:

        pawn(color c, const position_type& pos);
        virtual ~pawn() = default;
        
        bool can_move(const position_type& new_pos,
                      const has_piece_callback& cb) const override;
        void print(std::ostream& out) const override;
        void notify_move() override;

    private:

        // The check in can_move depends on whether it's the first move
        // of the pawn, so we need an additional data member.
        bool m_has_moved;
    };
}

#endif