extending the Serial Class? (C++ general que

so in c++, can write code extends class, right?  so in theory write serial.print method extends existing code accept new argument types, float or prog_char[] (string in flash)?   like?  (the c++ wrapper extend class floats, not internal code print float.)

thanks
bill w

bill, easy do. class definition in hardwareserial.h , looks this:

code: [select]

class hardwareserial
{
 private:
   //uint8_t _uart;
   void printnumber(unsigned long, uint8_t);
 public:
   hardwareserial(uint8_t);
   void begin(long);
   uint8_t available(void);
   int read(void);
   void flush(void);
   void print(char);
   void print(const char[]);
   void print(uint8_t);
   void print(int);
   void print(unsigned int);
   void print(long);
   void print(unsigned long);
   void print(long, int);
   void println(void);
   void println(char);
   void println(const char[]);
   void println(uint8_t);
   void println(int);
   void println(long);
   void println(unsigned long);
   void println(long, int);
   void print(float);              // add print method floats
};
to extend class, add new methods in puplic section, have added 1 floats @ bottom.
then write method in hardwareserial.cpp following style of exisiting methods.

void hardwareserial::print(float n)
{
  // code here
}

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