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use std::{convert::From, fmt, fmt::Display}; use tonic::{transport::Error as TonicError, Status as TonicStatus}; #[derive(Debug)] pub enum Error { TransportError, GrpcError(GrpcError), } impl Display for Error { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "{:?}", self) } } impl std::error::Error for Error {} impl From<TonicError> for Error { fn from(_error: TonicError) -> Self { Error::TransportError } } impl From<TonicStatus> for Error { fn from(error: TonicStatus) -> Self { Error::GrpcError(GrpcError { status: error }) } } #[derive(Debug)] pub struct GrpcError { status: TonicStatus, } impl Display for GrpcError { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { write!(f, "{:?}", self) } }