type_name.h

/*
   SpaIot Library (c) by epsilonrt - epsilonrt@epsilonrt.fr
   This file is part of SpaIot library <https://github.com/epsilonrt/spaiot-lib>
 
   SPDX-License-Identifier: BSD-3-Clause
 
   SpaIot library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY;
*/
#pragma once
 
#include <Arduino.h>
 
template <class T>
String type_name (const T &) {
  String s = __PRETTY_FUNCTION__;
  int start = s.indexOf ("[with T = ") + 10;
  int stop = s.lastIndexOf (']');
  return s.substring (start, stop);
}