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better FramedTransportError

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This commit is contained in:
Nikolay Kim 2018-09-24 22:31:05 -07:00
parent d5d2c81c68
commit 13c66a2ac4
1 changed files with 13 additions and 7 deletions
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20
src/framed.rs
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@ -159,10 +159,16 @@ where
}
/// Framed transport errors
pub enum FramedTransportError<E1, E2, E3> {
Service(E1),
Encoder(E2),
Decoder(E3),
pub enum FramedTransportError<E, U: Encoder + Decoder> {
Service(E),
Encoder(<U as Encoder>::Error),
Decoder(<U as Decoder>::Error),
}
impl<E, U: Encoder + Decoder> From<E> for FramedTransportError<E, U> {
fn from(err: E) -> Self {
FramedTransportError::Service(err)
}
}
/// FramedTransport - is a future that reads frames from Framed object
@ -185,8 +191,8 @@ where
enum TransportState<S: Service, U: Encoder + Decoder> {
Processing,
Error(FramedTransportError<S::Error, <U as Encoder>::Error, <U as Decoder>::Error>),
EncoderError(FramedTransportError<S::Error, <U as Encoder>::Error, <U as Decoder>::Error>),
Error(FramedTransportError<S::Error, U>),
EncoderError(FramedTransportError<S::Error, U>),
Stopping,
}
@ -345,7 +351,7 @@ where
<U as Encoder>::Error: 'static,
{
type Item = ();
type Error = FramedTransportError<S::Error, <U as Encoder>::Error, <U as Decoder>::Error>;
type Error = FramedTransportError<S::Error, U>;
fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
match mem::replace(&mut self.state, TransportState::Processing) {