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docs: add dependence of example (#213)

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will 2021-02-28 09:42:22 +08:00 committed by GitHub
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content/docs/request.md
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@ -29,6 +29,19 @@ that accepts `Json<T>` as a parameter, then, you use the `.to()` method for regi
this handler. It is also possible to accept arbitrary valid json object by
using `serde_json::Value` as a type `T`.
First example of json of `JSON Request` depends on `serde`:
```toml
[dependencies]
serde = "1"
````
Second example of `JSON Request` depends on `serde` and `serde_json`:
```toml
[dependencies]
serde = "1"
serde_json = "1"
```
If you want to add default value for a field, refer to `serde`'s [documentation](https://serde.rs/attr-default.html).
{{< include-example example="requests" file="main.rs" section="json-request" >}}
You may also manually load the payload into memory and then deserialize it.