pub fn add(left: usize, right: usize) -> usize {
    left + right
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn it_works() {
        let result = add(2, 2);
        assert_eq!(result, 4);
    }
}

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

#[derive(Serialize, Deserialize)]
pub struct TempSecret {
    pub content: String,
    pub version: i64
}

/// serialize secret to JSON byte vector
pub fn serialize_secret_json(secret: &TempSecret) -> Result<Vec<u8>> {
    serde_json::to_vec(&secret)
}

// /// deserialize JSON byte vector to secret
// pub fn deserialize_secret_struct(raw: &String) -> Result<TempSecret> {
//     serde_json::from_str(raw)
// }