Struct Json

pub struct Json(/* private fields */);

A Response body with Content-Type set to application/json.

Example

use pavex::response::{Response, body::Json};
use pavex::http::header::CONTENT_TYPE;

#[derive(serde::Serialize)]
struct HomeDetails {
    city: String,
    postcode: String,
}

let details = HomeDetails {
    city: "London".into(),
    postcode: "N5 2EF".into(),
};
let json = Json::new(details).expect("Failed to serialize the response body");
let response = Response::ok().set_typed_body(json);

assert_eq!(response.headers()[CONTENT_TYPE], "application/json");

Implementations

impl Json

pub fn new<T>(value: T) -> Result<Self, JsonSerializationError>

where T: Serialize,

Build a new Json response by serializing to JSON an instance of type T.

It returns an error if serialization fails.

Trait Implementations

impl TypedBody for Json

type Body = Full<Bytes>

fn content_type(&self) -> HeaderValue

The header value that should be used as Content-Type when returning this Response.

fn body(self) -> Self::Body

The actual body type.