JSON serialize examples

---

• serde_json
• chrono

examples/json/json-serialize/Cargo.toml

[package]
name = "json-serialize"
version = "0.1.0"
edition = "2021"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]
serde_json = "1.0"
chrono = "0.4.26"

examples/json/json-serialize/src/main.rs

use serde_json::json;
use chrono::{DateTime, Utc};

fn main() {
    let name = "Foo Bar";
    let number = 42;
    let numbers = vec![19, 23];

    let utc: DateTime<Utc> = Utc::now();
    println!("{}", utc);

    let json_str = &json!({
        "name": name,
        "number": number,
        "vector of numbers": numbers,
        "now": utc.timestamp(),
    });
    println!("{}", json_str);
}