rust hello json / published by https://github.com/dacr/code-examples-manager #0cc4ba7f-8c56-494e-ad8d-42b0e69b6d4c/e5939883ed57d86935828c211f557efd10801e0d

hello-json.rs

#!/usr/bin/env rust-script
//! ```cargo
//! [dependencies]
//! serde= { version = "1.0.210", features = ["derive"] }
//! serde_json = "1.0.128"
//! ```
// summary : rust hello json
// keywords : rust, dependencies, @testable
// publish : gist
// authors : David Crosson
// license : Apache License Version 2.0 (https://www.apache.org/licenses/LICENSE-2.0.txt)
// id : 0cc4ba7f-8c56-494e-ad8d-42b0e69b6d4c
// created-on : 2024-10-16T21:12:55+02:00
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : ./$file

use serde::{Deserialize, Serialize};
use serde_json::Result;

#[derive(Debug)]
#[derive(Serialize, Deserialize)]
struct Person {
    first_name: String,
    last_name: String,
    age: u8,
    phones: Vec<String>,
}

fn main() {
    let data = r#"
      {
            "last_name": "Doe",
            "first_name": "John",
            "age": 42,
            "phones": [
                "+33 12 34 56 78",
                "+33 98 76 54 32"
            ]
      }
      "#;
    let rp: Result<Person> = serde_json::from_str(data);
    match rp {
        Ok(p) => {
            println!("parsed json {:?}", p);
            let j: serde_json::Result<String> = serde_json::to_string(&p);
            j.iter().for_each(|json| println!("generated json {}", json));
        }
        Err(e) => {
            println!("Parsing error {}", e);
        }
    }
}