57 lines
1.5 KiB
Rust
57 lines
1.5 KiB
Rust
use bincode::{config, Decode, Encode};
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use native_model::native_model;
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use native_model::Model;
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pub struct Bincode;
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impl<T: bincode::Encode> native_model::Encode<T> for Bincode {
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type Error = bincode::error::EncodeError;
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fn encode(obj: &T) -> Result<Vec<u8>, bincode::error::EncodeError> {
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bincode::encode_to_vec(obj, config::standard())
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}
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}
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impl<T: bincode::Decode> native_model::Decode<T> for Bincode {
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type Error = bincode::error::DecodeError;
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fn decode(data: Vec<u8>) -> Result<T, bincode::error::DecodeError> {
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bincode::decode_from_slice(&data, config::standard()).map(|(result, _)| result)
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}
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}
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#[derive(Debug, Encode, Decode, PartialEq)]
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#[native_model(id = 1, version = 1, with = Bincode)]
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struct Foo1 {
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x: i32,
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}
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#[derive(Debug, Encode, Decode, PartialEq)]
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#[native_model(id = 1, version = 2, with = Bincode, from = Foo1)]
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struct Foo2 {
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x: i32,
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}
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impl From<Foo1> for Foo2 {
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fn from(foo1: Foo1) -> Self {
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Foo2 { x: foo1.x }
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}
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}
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impl From<Foo2> for Foo1 {
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fn from(foo2: Foo2) -> Self {
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Foo1 { x: foo2.x }
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}
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}
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#[test]
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fn test_simple() {
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let foo1 = Foo1 { x: 100 };
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let foo2 = Foo2 { x: 200 };
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let foo1_encoded = foo1.native_model_encode().unwrap();
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let foo2_encoded = foo2.native_model_encode().unwrap();
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let (foo1_decoded, _) = Foo1::native_model_decode(foo1_encoded).unwrap();
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assert!(foo1_decoded == foo1);
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let (foo2_decoded, _) = Foo2::native_model_decode(foo2_encoded).unwrap();
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assert!(foo2_decoded == foo2);
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}
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