| // Copyright 2020 The Fuchsia Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| use { | |
| crate::types::{Error, ToText}, | |
| async_trait::async_trait, | |
| serde::Serialize, | |
| }; | |
| #[async_trait] | |
| pub trait Command { | |
| type Result: Serialize + ToText; | |
| async fn execute(&self) -> Result<Self::Result, Error>; | |
| } |