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actix-website/examples/url-dispatch/src/pred.rs
2018-07-21 05:21:41 -07:00

20 lines
470 B
Rust

// <pred>
use actix_web::{http, server::Request, pred::Predicate, App, HttpResponse};
struct ContentTypeHeader;
impl<S: 'static> Predicate<S> for ContentTypeHeader {
fn check(&self, req: &Request, state: &S) -> bool {
req.headers().contains_key(http::header::CONTENT_TYPE)
}
}
fn main() {
App::new().resource("/index.html", |r| {
r.route()
.filter(ContentTypeHeader)
.f(|_| HttpResponse::Ok())
});
}
// </pred>