message: Add documentation for `name_demangling`.
diff: @@ -50,6 +50,18 @@ namespace gko {
  namespace name_demangling {
  +/**
  + * This is a function which uses `std::type_info and demangling functionalities
  + * when available to return as a string the proper location at which this
  + * function is called.
  + *
  + * @param type the `std::type_info` of the object calling this function
  + * @param func_name the name of the function calling this (__func___ is
  + * standard here)
  + * @return properly formatted string representing the location of the call
  + *
  + * @see https://en.cppreference.com/w/cpp/types/type_info
  + */
  std::string get_full_function_name(const std::type_info &type,
  const char *func_name);
  