From 025f52aadcc8b35d47701241f675623c7f1d42ff Mon Sep 17 00:00:00 2001
From: Roman <humbug@deeptown.org>
Date: Tue, 16 Jan 2018 19:49:59 +0300
Subject: Fix UdpCodec::encode (#85)

*     Refactor UDP SendDgram & RecvDgram

    Get rid of unnamed structs in the favor of private structs with named fields

*     Change the signature of UdpCodec::encode

    Now it is:

    ```
        fn encode(&mut self, msg: Self::Out, buf: &mut Vec<u8>) -> Result<SocketAddr, Self::Error>;
    ```

    Closes https://github.com/tokio-rs/tokio/issues/79

* Fix compilation error from `mio` crate
---
 examples/udp-codec.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'examples/udp-codec.rs')

diff --git a/examples/udp-codec.rs b/examples/udp-codec.rs
index ff9ae553..c874ebd7 100644
--- a/examples/udp-codec.rs
+++ b/examples/udp-codec.rs
@@ -24,14 +24,15 @@ pub struct LineCodec;
 impl UdpCodec for LineCodec {
     type In = (SocketAddr, Vec<u8>);
     type Out = (SocketAddr, Vec<u8>);
+    type Error = io::Error;
 
     fn decode(&mut self, addr: &SocketAddr, buf: &[u8]) -> io::Result<Self::In> {
         Ok((*addr, buf.to_vec()))
     }
 
-    fn encode(&mut self, (addr, buf): Self::Out, into: &mut Vec<u8>) -> SocketAddr {
+    fn encode(&mut self, (addr, buf): Self::Out, into: &mut Vec<u8>) -> io::Result<SocketAddr> {
         into.extend(buf);
-        addr
+        Ok(addr)
     }
 }
 
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