2 releases
0.1.1 | Jun 7, 2022 |
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0.1.0 | Feb 27, 2022 |
#82 in #serde-derive
Used in serde-deserialize-over
20KB
570 lines
serde-deserialize-over
This library provides a trait + derive macro that allows you to deserialize partial values on top of an existing struct instance.
Examples
use serde_deserialize_over::DeserializeOver;
#[derive(Default, Debug, DeserializeOver)]
struct ExampleStruct {
pub a: String,
pub b: i32,
}
const JSON: &str = r#"{ "a": "test" }"#;
fn main() {
let mut instance = ExampleStruct {
a: "a string".to_owned(),
b: 64,
};
let mut de = serde_json::Deserializer::new(serde_json::de::StrRead::new(JSON));
instance
.deserialize_over(&mut de)
.expect("Failed to deserialize");
println!("{:#?}", instance);
}
By default, struct members are deserialized using the serde::Deserialize
trait. However, if you want to continue deserializing over members then
you can enforce that by marking them with the #[deserialize_over]
attribute.
use serde_deserialize_over::DeserializeOver;
#[derive(Default, DeserializeOver, Debug)]
struct StructA {
#[deserialize_over]
pub a: StructB,
pub b: i32,
}
#[derive(Default, DeserializeOver, Debug)]
struct StructB {
pub x: usize,
pub y: String,
}
const JSON: &str = r#"{ "a": { "x": 1 }, "b": 0 }"#;
fn main() {
let mut instance = StructA {
a: StructB {
x: 128,
y: "a string".to_owned(),
},
b: 64,
};
let mut de = serde_json::Deserializer::new(serde_json::de::StrRead::new(JSON));
instance
.deserialize_over(&mut de)
.expect("Failed to deserialize");
println!("{:#?}", instance);
}
License
Licensed under either of
- Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)
at your option.
Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
lib.rs
:
Derive macros for serde-deserialize-over.
Dependencies
~3.5MB
~77K SLoC