fn test_transaction(db: &sled::Db) -> sled::transaction::TransactionResult<(), ()> {
    db.transaction(|t| {
        let id = db.generate_id()?;
        Ok(())
    })
}

fn test() -> sled::Result<()> {
    let db = sled::open("/tmp/testsled")?;
    test_transaction(&db).unwrap();
    Ok(())
}

#[cfg(test)]
mod tests {
    #[test]
    fn it_works() {
        super::test();
    }
}