remove Decode trait and only impl

Author: cyrgani

library/proc_macro/src/bridge/mod.rs

@@ -143,7 +143,7 @@ mod symbol;
 
 use buffer::Buffer;
 pub use rpc::PanicMessage;
-use rpc::{Decode, DecodeMut, Encode, Reader, Writer};
+use rpc::{DecodeMut, Encode, Reader, Writer};
 
 /// Configuration for establishing an active connection between a server and a
 /// client.  The server creates the bridge config (`run_server` in `server.rs`),

library/proc_macro/src/bridge/rpc.rs

@@ -12,10 +12,6 @@ pub(super) trait Encode<S>: Sized {
 
 pub(super) type Reader<'a> = &'a [u8];
 
-pub(super) trait Decode<'a, 's, S>: Sized {
-    fn decode(r: &mut Reader<'a>, s: &'s S) -> Self;
-}
-
 pub(super) trait DecodeMut<'a, 's, S>: Sized {
     fn decode(r: &mut Reader<'a>, s: &'s mut S) -> Self;
 }

library/proc_macro/src/bridge/server.rs

@@ -40,10 +40,10 @@ macro_rules! define_server_handles {
                 }
             }
 
-            impl<'s, S: Types> Decode<'_, 's, HandleStore<MarkedTypes<S>>>
+            impl<'s, S: Types> DecodeMut<'_, 's, HandleStore<MarkedTypes<S>>>
                 for &'s Marked<S::$oty, client::$oty>
             {
-                fn decode(r: &mut Reader<'_>, s: &'s HandleStore<MarkedTypes<S>>) -> Self {
+                fn decode(r: &mut Reader<'_>, s: &'s mut HandleStore<MarkedTypes<S>>) -> Self {
                     &s.$oty[handle::Handle::decode(r, &mut ())]
                 }
             }