Enum arc_reactor::core::JsonError

pub enum JsonError {
    None,
    Err(Error),
}

The error returned by Request::json().

From<JsonError> is implemented for Response so you can use the ? to unwrap or return an early response

#![feature(proc_macro, generators, specialization, proc_macro_non_items)]
extern crate arc_reactor;
extern crate futures_await as futures;
extern crate serde;
#[macro_use]
extern crate serde_derive;
use arc_reactor::prelude::*;
 
#[derive(Serialize, Deserialize)]
struct User {
    name: String
}

#[service]
fn UserService(req: Request, res: Response) {
    let User { name } = req.json()?;
    // will return an error response with the
    // json '{ "error": "Json was empty" }' if JsonError::None
    // or '{ "error": "{serde error}" }' if it failed to deserialize.
    Ok(res)
}

Variants

None

This error can occur if

1. The client, didn't include "content-type: application/json" in the request headers 2. The body parser wasn't mounted as a middleware on this route, directly or indirectly.

Err(Error)

The error reported by serde, when deserialization of the request body fails.

Trait Implementations

impl From<JsonError> for Response

fn from(error: JsonError) -> Response

Performs the conversion.

impl Debug for JsonError

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.