fen.h

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/*---------------------------------------------------------------------+
 * File: fen.h
 * Project: part of belofte - A Promising Chess Program
 * Author: yves
 * SPDX-License-Identifier: GPL-2.0-only
+----------------------------------------------------------------------*/
 
#if !defined(FEN_H)
#define FEN_H
 
//-----------------------------------------------------------------------
 
/** FEN string */
class bFen {
public:
  bFen(bFen const& f)
    : m_fen{f.m_fen}
    {}
  explicit bFen(std::string const& fs)
    : m_fen{fs}
    {}
  explicit bFen(bFen&& f)
    : m_fen{(f.operator std::string())}
    {}
  ~bFen()
    {}
 
  // no copy or move ctor nor assignment defined
  bFen& operator=(bFen const&) = delete;
  bFen& operator=(bFen&&) = delete;
 
  operator std::string() const&
    { return const_cast<std::string const&>(m_fen); }
 
private:
  friend std::ostream& operator<<(std::ostream& os, bFen const& f);
 
private:
  std::string m_fen;
};
 
// --------------------------------------------------------------------
 
#endif // defined FEN_H
 
// eof