use native_model_macro::native_model;
use serde::{{Deserialize, Serialize}};
#[derive(Deserialize, Serialize, PartialEq, Debug)]
#[native_model(id = 1, version = 1)]
struct DotV1(u32, u32);
#[derive(Deserialize, Serialize, PartialEq, Debug)]
#[native_model(id = 1, version = 2, from = DotV1)]
struct DotV2 {{
name: String,
x: u64,
y: u64,
}}
impl From<DotV1> for DotV2 {{
fn from(dot: DotV1) -> Self {{
DotV2 {{
name: "".to_string(),
x: dot.0 as u64,
y: dot.1 as u64,
}}
}}
}}
impl From<DotV2> for DotV1 {{
fn from(dot: DotV2) -> Self {{
DotV1(dot.x as u32, dot.y as u32)
}}
}}
fn main() {{
{}
}}
use serde::{{Deserialize, Serialize}};
{}
impl From<DotV1> for DotV2 {{
fn from(dot: DotV1) -> Self {{
DotV2 {{
name: "".to_string(),
x: dot.0 as u64,
y: dot.1 as u64,
}}
}}
}}
impl From<DotV2> for DotV1 {{
fn from(dot: DotV2) -> Self {{
DotV1(dot.x as u32, dot.y as u32)
}}
}}
impl TryFrom<DotV2> for DotV3 {{
type Error = anyhow::Error;
fn try_from(dot: DotV2) -> Result<Self, Self::Error> {{
Ok(DotV3 {{
name: dot.name,
cord: Cord {{ x: dot.x, y: dot.y }},
}})
}}
}}
impl TryFrom<DotV3> for DotV2 {{
type Error = anyhow::Error;
fn try_from(dot: DotV3) -> Result<Self, Self::Error> {{
Ok(DotV2 {{
name: dot.name,
x: dot.cord.x,
y: dot.cord.y,
}})
}}
}}
fn main() {{
let dot = DotV1(1, 2);
let bytes = native_model::encode(&dot).unwrap();
let (dot_decoded, _) = native_model::decode::<DotV1>(bytes.clone()).unwrap();
assert_eq!(dot, dot_decoded);
let (dot_decoded, _) = native_model::decode::<DotV2>(bytes.clone()).unwrap();
assert_eq!(
DotV2 {{
name: "".to_string(),
x: 1,
y: 2
}},
dot_decoded
);
let (dot_decoded, _) = native_model::decode::<DotV3>(bytes.clone()).unwrap();
assert_eq!(
DotV3 {{
name: "".to_string(),
cord: Cord {{ x: 1, y: 2 }}
}},
dot_decoded
);
}}