SQLite backups, replication, and failover—without cluster machinery.

// Named-map MessagePack is implicit.
addTodo, err := sqlstyle.DefineIASP(
    config,
    "todos.add",
    func(ctx context.Context, tx *sql.Tx, payload AddTodo) (AddTodoResult, error) {
        result, err := tx.ExecContext(ctx,
            "INSERT INTO todos(title) VALUES (?)", payload.Title)
        if err != nil { return AddTodoResult{}, err }
        id, err := result.LastInsertId()
        return AddTodoResult{ID: id}, err
    },
)
if err != nil { return err }

result, err := addTodo(ctx, AddTodo{Title: "ship it"})

// MessagePack is implicit; options select other formats.
let add_todo = sqlstyle::define_iasp(
    config.clone(),
    "todos.add",
    |transaction, payload: &AddTodo| -> sqlstyle::Result<AddTodoResult> {
        transaction.execute(
            "INSERT INTO todos(title) VALUES (?1)",
            [&payload.title],
        )?;
        Ok(AddTodoResult { id: transaction.last_insert_rowid() })
    },
)?;

let result = add_todo.call(&AddTodo {
    title: "ship it".into(),
})?;