put utils in C++ side

Signed-off-by: Jinjie Liu <jjliu@baai.ac.cn>

include/exception.h

@@ -16,6 +16,15 @@ private:
   const CUresult code_;
 };
 
+class NotImplementedException : public std::exception {
+public:
+  NotImplementedException(std::string_view name);
+  const char *what() const noexcept override;
+
+private:
+  const std::string message_;
+};
+
 class UnknownTypeException : public std::exception {
 public:
   UnknownTypeException(Type type);