Method what

src/Exceptions.h:34–37

		ExceptionBase(std::string message) : m_message(message) { }
		virtual ~ExceptionBase() noexcept {}
		virtual const char* what() const noexcept {
			// return custom message
			return m_message.c_str();
		}
        virtual std::string py_message() const {
            // return complete message for Python exception handling
            return m_message;