Derive serde methods on message enums

src/lib.rs

@@ -92,6 +92,7 @@ pub fn derive_protocol(input: TokenStream) -> TokenStream {
     };
     let client_enum_name = format_ident!("{}Question", name);
     let client_enum = quote! {
+        #[derive(serde::Serialize, serde::Deserialize)]
         #vis enum #client_enum_name {
             #(#client_enum), *
         }
@@ -99,6 +100,7 @@ pub fn derive_protocol(input: TokenStream) -> TokenStream {
     // Create an enum to represent the queries the client has sent
     let query_enum_name = format_ident!("{}Query", name);
     let query_enum = quote! {
+        #[derive(serde::Serialize, serde::Deserialize)]
         #vis enum #query_enum_name {
             #(#query_enum), *
         }