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use crate::parser::Status; use std::{fmt, io}; #[derive(Debug)] pub enum Error { Io(io::Error), Protocol(Status), } impl std::error::Error for Error { fn source(&self) -> Option<&(dyn std::error::Error + 'static)> { match self { Self::Io(ref e) => Some(e), _ => None, } } } impl fmt::Display for Error { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { match self { Self::Io(e) => write!(f, "io: {}", e), Self::Protocol(e) => write!(f, "protocol: {}", e), } } } impl From<std::io::Error> for Error { fn from(e: std::io::Error) -> Self { Error::Io(e) } } impl From<Status> for Error { fn from(s: Status) -> Self { Error::Protocol(s) } }