message: add radeco_err!
diff: @@ -116,3 +116,19 @@ macro_rules! radeco_warn {
  }
  });
  }
  +
  +#[macro_export]
  +macro_rules! radeco_err {
  + ($t: expr) => ({
  + if cfg!(feature = "trace_log") {
  + #[cfg(feature="trace_log")]
  + warn!("{}", $t.to_string());
  + }
  + });
  + ($fmt:expr, $($arg:tt)*) => ({
  + if cfg!(feature = "trace_log") {
  + #[cfg(feature="trace_log")]
  + warn!("{}", format_args!($fmt, $($arg)*));
  + }
  + });
  +}
  