- void warning (std::string) const; // should use member func?
- void non_fatal_error (std::string) const;
- void error (std::string) const;
- void message (std::string) const;
+ void warning (string) const;
+ void programming_error (string) const;
+ void non_fatal_error (string) const;
+ void error (string) const;
+ void message (string) const;