+template <>
+std::string
+raw_convert (wchar_t const * v, int, bool);
+
+template <>
+std::string
+raw_convert (char v, int, bool);
+
+template <>
+unsigned char
+raw_convert (std::string v, int, bool);
+
+template <>
+unsigned short int
+raw_convert (std::string v, int, bool);
+