class                   Lexem
{
public:
  float                 a;
  probaType             operation;
  bool                  complementaire;

public:
  Lexem();
  void                  addlist(std::string &str, char c, std::list<Lexem> &);
  std::list<Lexem>      lexer(char *);
};

int             main(int argc, char **argv)
{
 Lexem         lex;
 std::list<Lexem> liste = lex.lexer(argv[1]);
 std::list<Lexem>::iterator it = liste.front();
}