CodyCigar JSON Problem

main.rs

#[macro_use]
extern crate serde_json;

use serde_json::Value;

fn extract(json: &Value, path: String, extracted: &mut Vec<(String, String)>) {
    match json {
    | Value::String(s) => extracted.push((path, s.clone())),
    | Value::Null => extracted.push((path, "null".to_string())),
    | Value::Number(n) => extracted.push((path, n.to_string())),
    | Value::Bool(b) => extracted.push((path, b.to_string())),
    | Value::Object(m) => {
        for (k, v) in m {
            extract(v, format!("{}/{}", path, k), extracted);
        }
    }
    | Value::Array(a) => {
        for (i, v) in a.iter().enumerate() {
            extract(v, format!("{}[{}]", path, i), extracted);
        }
    }
    }
}

fn main() {
    let test = json! {
        {
            "foo": {
                "bar": {
                "alpha": "alphaval",
                "beta": "betaval"
                },
                "baz": {
                "alpha": "alphaval",
                "gamma": "gammaval"
                }
            }
        }
    };

    let mut extracted = Vec::new();
    let root = "".to_string();
    extract(&test, root, &mut extracted);
    println!("{:?}", extracted);
}