Rust serde JSON Example

use serde_json::Result;
use serde_json::Value;
use std::fs;

fn main() {
    let text = String::from(
        r#"{
    "alfa": "apple",
    "bravo": 3,
    "charlie": [
        "cherry",
        5
    ],
    "delta": {
        "echo": 7
    }
}"#,
    );

    match output(&text) {
        Ok(()) => println!("Ok"),
        Err(e) => println!("Error: {}", e),
    };

    match check_data(&text) {
        Ok(x) => {
            println!("{}", &x["alfa"].as_str().unwrap())
        }
        Err(e) => println!("Error: {}", e),
    }
}

fn output(text: &String) -> std::io::Result<()> {
    fs::write("outputs/json.json", text)?;
    Ok(())
}

fn check_data(text: &String) -> Result<Value> {
    let v: Value = serde_json::from_str(text)?;
    Ok(v)
}