feat: add with macro option

libraries/native_model/tests/example/encode_decode/bincode.rs

@@ -1,26 +1,26 @@
 use bincode;
-use bincode::{Decode, Encode};
+use bincode::{config, Decode, Encode};
 
-fn native_model_encode_body<T: bincode::Encode>(
-    model: &T,
-) -> Result<Vec<u8>, bincode::error::EncodeError> {
-    {
-        bincode::encode_to_vec(model, bincode::config::standard())
+pub struct Bincode;
+
+impl<T: bincode::Encode> native_model::Encode<T> for Bincode {
+    type Error = bincode::error::EncodeError;
+    fn encode(obj: &T) -> Result<Vec<u8>, bincode::error::EncodeError> {
+        bincode::encode_to_vec(obj, config::standard())
     }
 }
 
-fn native_model_decode_body<T: bincode::Decode>(
-    data: Vec<u8>,
-) -> Result<T, bincode::error::DecodeError> {
-    {
-        bincode::decode_from_slice(&data, bincode::config::standard()).map(|(result, _)| result)
+impl<T: bincode::Decode> native_model::Decode<T> for Bincode {
+    type Error = bincode::error::DecodeError;
+    fn decode(data: Vec<u8>) -> Result<T, bincode::error::DecodeError> {
+        bincode::decode_from_slice(&data, config::standard()).map(|(result, _)| result)
     }
 }
 
 use native_model_macro::native_model;
 
 #[derive(Encode, Decode, PartialEq, Debug)]
-#[native_model(id = 1, version = 1)]
+#[native_model(id = 1, version = 1, with = Bincode)]
 struct DotV1(u32, u32);
 
 #[test]