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Update application.md

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krircc 2019-02-26 11:45:46 +08:00 committed by GitHub
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@ -60,10 +60,11 @@ When the app is initialized it needs to be passed the initial state:
> **Note**: http server accepts an application factory rather than an application
> instance. Http server constructs an application instance for each thread, thus application state
> must be constructed multiple times. If you want to share state between different threads, a
> shared object should be used, e.g. `Arc`. Application state does not need to be `Send` and `Sync`,
> but the application factory must be `Send` + `Sync`.
> shared object should be used, e.g. `Arc`. There is also an [Example](https://github.com/actix/examples/blob/master/state/src/main.rs) use Arc for this. Application state does not need to be `Send` and `Sync`,
> but the application factory must be `Send` + `Sync`.
>
> To start the previous app, create it into a closure:
To start the previous app, create it into a closure:
{{< include-example example="application" file="state.rs" section="start_app" >}}