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use axum::{
async_trait,
extract::{Request, rejection::ExtensionRejection, FromRequest},
http::StatusCode,
response::{IntoResponse, Response},
routing::get,
Extension, Router,
};
fn main() {
let _: Router = Router::new().route("/", get(handler).post(handler_result));
}
async fn handler(_: MyExtractor) {}
async fn handler_result(_: Result<MyExtractor, MyRejection>) {}
#[derive(FromRequest)]
#[from_request(rejection(MyRejection))]
struct MyExtractor {
one: Extension<String>,
#[from_request(via(Extension))]
two: String,
three: OtherExtractor,
}
struct OtherExtractor;
#[async_trait]
impl<S> FromRequest<S> for OtherExtractor
where
S: Send + Sync,
{
// this rejection doesn't implement `Display` and `Error`
type Rejection = (StatusCode, String);
async fn from_request(_req: Request, _state: &S) -> Result<Self, Self::Rejection> {
todo!()
}
}
struct MyRejection {}
impl From<ExtensionRejection> for MyRejection {
fn from(_: ExtensionRejection) -> Self {
todo!()
}
}
impl From<(StatusCode, String)> for MyRejection {
fn from(_: (StatusCode, String)) -> Self {
todo!()
}
}
impl IntoResponse for MyRejection {
fn into_response(self) -> Response {
todo!()
}
}
|
