Rust serde_json で、serialized　、デコード(deserialized) ,vect適用する例

main-o2-pub.rs

//
// Rust serde_json で、serialized　、デコード(deserialized) ,vect適用する例
// 参考:
// https://serde.rs/derive.html
//

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


fn type_of<T>(_: T) -> &'static str {
    std::any::type_name::<T>()
}

#[derive(Serialize, Deserialize, Debug)]
struct Point {
    x: i32,
    y: i32,
}

//
fn main() {
    println!("Hello, world!");
    let p1 = Point { x: 1, y: 2 };
    let p2 = Point { x: 11, y: 12 };
    let mut vect = vec![];
    vect.push(p1 );
    vect.push(p2 );

    let serialized = serde_json::to_string(&vect).unwrap();
    println!("serialized = {:?}", serialized); 

    let deserialized: Vec<Point> = serde_json::from_str(&serialized).unwrap();
    println!("deserialized = {:?}", deserialized);     
    for row in &deserialized {
        println!("{:?}", row );
    }    
}