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add responder for unit type

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This commit is contained in:
Nikolay Kim 2019-03-02 09:05:07 -08:00
parent bc3c29c398
commit fdf3011837
4 changed files with 15 additions and 798 deletions
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1
Cargo.toml
View file

@ -57,6 +57,7 @@ actix-router = { git = "https://github.com/actix/actix-net.git" }
bytes = "0.4" bytes = "0.4"
futures = "0.1" futures = "0.1"
derive_more = "0.14" derive_more = "0.14"
either = "1.5.1"
log = "0.4" log = "0.4"
lazy_static = "1.2" lazy_static = "1.2"
mime = "0.3" mime = "0.3"

785
src/application.rs
View file

@ -1,785 +0,0 @@
use std::rc::Rc;
use actix_http::http::ContentEncoding;
use actix_http::{Error, Request, Response};
use actix_service::Service;
use futures::{Async, Future, Poll};
use handler::{AsyncResult, FromRequest, Handler, Responder, WrapHandler};
use http::Method;
use httprequest::HttpRequest;
use httpresponse::HttpResponse;
// use middleware::Middleware;
// use pipeline::{Pipeline, PipelineHandler};
use pred::Predicate;
use resource::Resource;
use router::{ResourceDef, Router};
// use scope::Scope;
// use server::{HttpHandler, HttpHandlerTask, IntoHttpHandler, Request};
use with::WithFactory;
/// Application
pub struct HttpApplication<S = ()> {
state: Rc<S>,
prefix: String,
prefix_len: usize,
inner: Rc<Inner<S>>,
filters: Option<Vec<Box<Predicate<S>>>>,
// middlewares: Rc<Vec<Box<Middleware<S>>>>,
}
#[doc(hidden)]
pub struct Inner<S> {
router: Router<S>,
encoding: ContentEncoding,
}
// impl<S: 'static> PipelineHandler<S> for Inner<S> {
// #[inline]
// fn encoding(&self) -> ContentEncoding {
// self.encoding
// }
// fn handle(&self, req: &HttpRequest<S>) -> AsyncResult<HttpResponse> {
// self.router.handle(req)
// }
// }
impl<S: 'static> HttpApplication<S> {
#[cfg(test)]
pub(crate) fn run(&self, req: Request) -> AsyncResult<HttpResponse> {
let info = self
.inner
.router
.recognize(&req, &self.state, self.prefix_len);
let req = HttpRequest::new(req, Rc::clone(&self.state), info);
self.inner.handle(&req)
}
}
impl<S: 'static> Service for HttpApplication<S> {
// type Task = Pipeline<S, Inner<S>>;
type Request = actix_http::Request;
type Response = actix_http::Response;
type Error = Error;
type Future = Box<Future<Item = Response, Error = Error>>;
fn poll_ready(&mut self) -> Poll<(), Self::Error> {
Ok(Async::Ready(()))
}
fn call(&mut self, msg: actix_http::Request) -> Self::Future {
let m = {
if self.prefix_len == 0 {
true
} else {
let path = msg.path();
path.starts_with(&self.prefix)
&& (path.len() == self.prefix_len
|| path.split_at(self.prefix_len).1.starts_with('/'))
}
};
if m {
if let Some(ref filters) = self.filters {
//for filter in filters {
// if !filter.check(&msg, &self.state) {
//return Err(msg);
unimplemented!()
// }
//}
}
let info = self
.inner
.router
.recognize(&msg, &self.state, self.prefix_len);
let inner = Rc::clone(&self.inner);
// let req = HttpRequest::new(msg, Rc::clone(&self.state), info);
// Ok(Pipeline::new(req, inner))
unimplemented!()
} else {
// Err(msg)
unimplemented!()
}
}
}
struct ApplicationParts<S> {
state: S,
prefix: String,
router: Router<S>,
encoding: ContentEncoding,
// middlewares: Vec<Box<Middleware<S>>>,
filters: Vec<Box<Predicate<S>>>,
}
/// Structure that follows the builder pattern for building application
/// instances.
pub struct App<S = ()> {
parts: Option<ApplicationParts<S>>,
}
impl<S> App<S>
where
S: 'static,
{
/// Set application prefix.
///
/// Only requests that match the application's prefix get
/// processed by this application.
///
/// The application prefix always contains a leading slash (`/`).
/// If the supplied prefix does not contain leading slash, it is
/// inserted.
///
/// Prefix should consist of valid path segments. i.e for an
/// application with the prefix `/app` any request with the paths
/// `/app`, `/app/` or `/app/test` would match, but the path
/// `/application` would not.
///
/// In the following example only requests with an `/app/` path
/// prefix get handled. Requests with path `/app/test/` would be
/// handled, while requests with the paths `/application` or
/// `/other/...` would return `NOT FOUND`. It is also possible to
/// handle `/app` path, to do this you can register resource for
/// empty string `""`
///
/// ```rust
/// # extern crate actix_web;
/// use actix_web::{http, App, HttpResponse};
///
/// fn main() {
/// let app = App::new()
/// .prefix("/app")
/// .resource("", |r| r.f(|_| HttpResponse::Ok())) // <- handle `/app` path
/// .resource("/", |r| r.f(|_| HttpResponse::Ok())) // <- handle `/app/` path
/// .resource("/test", |r| {
/// r.get().f(|_| HttpResponse::Ok());
/// r.head().f(|_| HttpResponse::MethodNotAllowed());
/// })
/// .finish();
/// }
/// ```
pub fn prefix<P: Into<String>>(mut self, prefix: P) -> App<S> {
{
let parts = self.parts.as_mut().expect("Use after finish");
let mut prefix = prefix.into();
if !prefix.starts_with('/') {
prefix.insert(0, '/')
}
parts.router.set_prefix(&prefix);
parts.prefix = prefix;
}
self
}
/// Configure route for a specific path.
///
/// This is a simplified version of the `App::resource()` method.
/// Handler functions need to accept one request extractor
/// argument.
///
/// This method could be called multiple times, in that case
/// multiple routes would be registered for same resource path.
///
/// ```rust
/// # extern crate actix_web;
/// use actix_web::{http, App, HttpRequest, HttpResponse};
///
/// fn main() {
/// let app = App::new()
/// .route("/test", http::Method::GET, |_: HttpRequest| {
/// HttpResponse::Ok()
/// })
/// .route("/test", http::Method::POST, |_: HttpRequest| {
/// HttpResponse::MethodNotAllowed()
/// });
/// }
/// ```
pub fn route<T, F, R>(mut self, path: &str, method: Method, f: F) -> App<S>
where
F: WithFactory<T, S, R>,
R: Responder + 'static,
T: FromRequest<S> + 'static,
{
self.parts
.as_mut()
.expect("Use after finish")
.router
.register_route(path, method, f);
self
}
// /// Configure scope for common root path.
// ///
// /// Scopes collect multiple paths under a common path prefix.
// /// Scope path can contain variable path segments as resources.
// ///
// /// ```rust
// /// # extern crate actix_web;
// /// use actix_web::{http, App, HttpRequest, HttpResponse};
// ///
// /// fn main() {
// /// let app = App::new().scope("/{project_id}", |scope| {
// /// scope
// /// .resource("/path1", |r| r.f(|_| HttpResponse::Ok()))
// /// .resource("/path2", |r| r.f(|_| HttpResponse::Ok()))
// /// .resource("/path3", |r| r.f(|_| HttpResponse::MethodNotAllowed()))
// /// });
// /// }
// /// ```
// ///
// /// In the above example, three routes get added:
// /// * /{project_id}/path1
// /// * /{project_id}/path2
// /// * /{project_id}/path3
// ///
// pub fn scope<F>(mut self, path: &str, f: F) -> App<S>
// where
// F: FnOnce(Scope<S>) -> Scope<S>,
// {
// let scope = f(Scope::new(path));
// self.parts
// .as_mut()
// .expect("Use after finish")
// .router
// .register_scope(scope);
// self
// }
/// Configure resource for a specific path.
///
/// Resources may have variable path segments. For example, a
/// resource with the path `/a/{name}/c` would match all incoming
/// requests with paths such as `/a/b/c`, `/a/1/c`, or `/a/etc/c`.
///
/// A variable segment is specified in the form `{identifier}`,
/// where the identifier can be used later in a request handler to
/// access the matched value for that segment. This is done by
/// looking up the identifier in the `Params` object returned by
/// `HttpRequest.match_info()` method.
///
/// By default, each segment matches the regular expression `[^{}/]+`.
///
/// You can also specify a custom regex in the form `{identifier:regex}`:
///
/// For instance, to route `GET`-requests on any route matching
/// `/users/{userid}/{friend}` and store `userid` and `friend` in
/// the exposed `Params` object:
///
/// ```rust
/// # extern crate actix_web;
/// use actix_web::{http, App, HttpResponse};
///
/// fn main() {
/// let app = App::new().resource("/users/{userid}/{friend}", |r| {
/// r.get().f(|_| HttpResponse::Ok());
/// r.head().f(|_| HttpResponse::MethodNotAllowed());
/// });
/// }
/// ```
pub fn resource<F, R>(mut self, path: &str, f: F) -> App<S>
where
F: FnOnce(&mut Resource<S>) -> R + 'static,
{
{
let parts = self.parts.as_mut().expect("Use after finish");
// create resource
let mut resource = Resource::new(ResourceDef::new(path));
// configure
f(&mut resource);
parts.router.register_resource(resource);
}
self
}
/// Configure resource for a specific path.
#[doc(hidden)]
pub fn register_resource(&mut self, resource: Resource<S>) {
self.parts
.as_mut()
.expect("Use after finish")
.router
.register_resource(resource);
}
/// Default resource to be used if no matching route could be found.
pub fn default_resource<F, R>(mut self, f: F) -> App<S>
where
F: FnOnce(&mut Resource<S>) -> R + 'static,
{
// create and configure default resource
let mut resource = Resource::new(ResourceDef::new(""));
f(&mut resource);
self.parts
.as_mut()
.expect("Use after finish")
.router
.register_default_resource(resource.into());
self
}
/// Configure handler for specific path prefix.
///
/// A path prefix consists of valid path segments, i.e for the
/// prefix `/app` any request with the paths `/app`, `/app/` or
/// `/app/test` would match, but the path `/application` would
/// not.
///
/// Path tail is available as `tail` parameter in request's match_dict.
///
/// ```rust
/// # extern crate actix_web;
/// use actix_web::{http, App, HttpRequest, HttpResponse};
///
/// fn main() {
/// let app = App::new().handler("/app", |req: &HttpRequest| match *req.method() {
/// http::Method::GET => HttpResponse::Ok(),
/// http::Method::POST => HttpResponse::MethodNotAllowed(),
/// _ => HttpResponse::NotFound(),
/// });
/// }
/// ```
pub fn handler<H: Handler<S>>(mut self, path: &str, handler: H) -> App<S> {
{
let mut path = path.trim().trim_right_matches('/').to_owned();
if !path.is_empty() && !path.starts_with('/') {
path.insert(0, '/');
};
self.parts
.as_mut()
.expect("Use after finish")
.router
.register_handler(&path, Box::new(WrapHandler::new(handler)), None);
}
self
}
// /// Register a middleware.
// pub fn middleware<M: Middleware<S>>(mut self, mw: M) -> App<S> {
// self.parts
// .as_mut()
// .expect("Use after finish")
// .middlewares
// .push(Box::new(mw));
// self
// }
/// Run external configuration as part of the application building
/// process
///
/// This function is useful for moving parts of configuration to a
/// different module or event library. For example we can move
/// some of the resources' configuration to different module.
///
/// ```rust
/// # extern crate actix_web;
/// use actix_web::{fs, middleware, App, HttpResponse};
///
/// // this function could be located in different module
/// fn config(app: App) -> App {
/// app.resource("/test", |r| {
/// r.get().f(|_| HttpResponse::Ok());
/// r.head().f(|_| HttpResponse::MethodNotAllowed());
/// })
/// }
///
/// fn main() {
/// let app = App::new()
/// .middleware(middleware::Logger::default())
/// .configure(config) // <- register resources
/// .handler("/static", fs::StaticFiles::new(".").unwrap());
/// }
/// ```
pub fn configure<F>(self, cfg: F) -> App<S>
where
F: Fn(App<S>) -> App<S>,
{
cfg(self)
}
/// Finish application configuration and create `HttpHandler` object.
pub fn finish(&mut self) -> HttpApplication<S> {
let mut parts = self.parts.take().expect("Use after finish");
let prefix = parts.prefix.trim().trim_right_matches('/');
parts.router.finish();
let inner = Rc::new(Inner {
router: parts.router,
encoding: parts.encoding,
});
let filters = if parts.filters.is_empty() {
None
} else {
Some(parts.filters)
};
HttpApplication {
inner,
filters,
state: Rc::new(parts.state),
// middlewares: Rc::new(parts.middlewares),
prefix: prefix.to_owned(),
prefix_len: prefix.len(),
}
}
// /// Convenience method for creating `Box<HttpHandler>` instances.
// ///
// /// This method is useful if you need to register multiple
// /// application instances with different state.
// ///
// /// ```rust
// /// # use std::thread;
// /// # extern crate actix_web;
// /// use actix_web::{server, App, HttpResponse};
// ///
// /// struct State1;
// ///
// /// struct State2;
// ///
// /// fn main() {
// /// # thread::spawn(|| {
// /// server::new(|| {
// /// vec![
// /// App::with_state(State1)
// /// .prefix("/app1")
// /// .resource("/", |r| r.f(|r| HttpResponse::Ok()))
// /// .boxed(),
// /// App::with_state(State2)
// /// .prefix("/app2")
// /// .resource("/", |r| r.f(|r| HttpResponse::Ok()))
// /// .boxed(),
// /// ]
// /// }).bind("127.0.0.1:8080")
// /// .unwrap()
// /// .run()
// /// # });
// /// }
// /// ```
// pub fn boxed(mut self) -> Box<HttpHandler<Task = Box<HttpHandlerTask>>> {
// Box::new(BoxedApplication { app: self.finish() })
// }
}
// struct BoxedApplication<S> {
// app: HttpApplication<S>,
// }
// impl<S: 'static> HttpHandler for BoxedApplication<S> {
// type Task = Box<HttpHandlerTask>;
// fn handle(&self, req: Request) -> Result<Self::Task, Request> {
// self.app.handle(req).map(|t| {
// let task: Self::Task = Box::new(t);
// task
// })
// }
// }
// impl<S: 'static> IntoHttpHandler for App<S> {
// type Handler = HttpApplication<S>;
// fn into_handler(mut self) -> HttpApplication<S> {
// self.finish()
// }
// }
// impl<'a, S: 'static> IntoHttpHandler for &'a mut App<S> {
// type Handler = HttpApplication<S>;
// fn into_handler(self) -> HttpApplication<S> {
// self.finish()
// }
// }
// #[doc(hidden)]
// impl<S: 'static> Iterator for App<S> {
// type Item = HttpApplication<S>;
// fn next(&mut self) -> Option<Self::Item> {
// if self.parts.is_some() {
// Some(self.finish())
// } else {
// None
// }
// }
// }
#[cfg(test)]
mod tests {
use super::*;
use body::{Binary, Body};
use http::StatusCode;
use httprequest::HttpRequest;
use httpresponse::HttpResponse;
use pred;
use test::{TestRequest, TestServer};
#[test]
fn test_default_resource() {
let app = App::new()
.resource("/test", |r| r.f(|_| HttpResponse::Ok()))
.finish();
let req = TestRequest::with_uri("/test").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/blah").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
let app = App::new()
.resource("/test", |r| r.f(|_| HttpResponse::Ok()))
.default_resource(|r| r.f(|_| HttpResponse::MethodNotAllowed()))
.finish();
let req = TestRequest::with_uri("/blah").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::METHOD_NOT_ALLOWED);
}
#[test]
fn test_unhandled_prefix() {
let app = App::new()
.prefix("/test")
.resource("/test", |r| r.f(|_| HttpResponse::Ok()))
.finish();
let ctx = TestRequest::default().request();
assert!(app.handle(ctx).is_err());
}
#[test]
fn test_state() {
let app = App::with_state(10)
.resource("/", |r| r.f(|_| HttpResponse::Ok()))
.finish();
let req = TestRequest::with_state(10).request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
}
#[test]
fn test_prefix() {
let app = App::new()
.prefix("/test")
.resource("/blah", |r| r.f(|_| HttpResponse::Ok()))
.finish();
let req = TestRequest::with_uri("/test").request();
let resp = app.handle(req);
assert!(resp.is_ok());
let req = TestRequest::with_uri("/test/").request();
let resp = app.handle(req);
assert!(resp.is_ok());
let req = TestRequest::with_uri("/test/blah").request();
let resp = app.handle(req);
assert!(resp.is_ok());
let req = TestRequest::with_uri("/testing").request();
let resp = app.handle(req);
assert!(resp.is_err());
}
#[test]
fn test_handler() {
let app = App::new()
.handler("/test", |_: &_| HttpResponse::Ok())
.finish();
let req = TestRequest::with_uri("/test").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/test/").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/test/app").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/testapp").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
let req = TestRequest::with_uri("/blah").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
}
#[test]
fn test_handler2() {
let app = App::new()
.handler("test", |_: &_| HttpResponse::Ok())
.finish();
let req = TestRequest::with_uri("/test").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/test/").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/test/app").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/testapp").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
let req = TestRequest::with_uri("/blah").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
}
#[test]
fn test_handler_with_prefix() {
let app = App::new()
.prefix("prefix")
.handler("/test", |_: &_| HttpResponse::Ok())
.finish();
let req = TestRequest::with_uri("/prefix/test").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/prefix/test/").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/prefix/test/app").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/prefix/testapp").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
let req = TestRequest::with_uri("/prefix/blah").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
}
#[test]
fn test_route() {
let app = App::new()
.route("/test", Method::GET, |_: HttpRequest| HttpResponse::Ok())
.route("/test", Method::POST, |_: HttpRequest| {
HttpResponse::Created()
})
.finish();
let req = TestRequest::with_uri("/test").method(Method::GET).request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/test")
.method(Method::POST)
.request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::CREATED);
let req = TestRequest::with_uri("/test")
.method(Method::HEAD)
.request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
}
#[test]
fn test_handler_prefix() {
let app = App::new()
.prefix("/app")
.handler("/test", |_: &_| HttpResponse::Ok())
.finish();
let req = TestRequest::with_uri("/test").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
let req = TestRequest::with_uri("/app/test").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/app/test/").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/app/test/app").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
let req = TestRequest::with_uri("/app/testapp").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
let req = TestRequest::with_uri("/app/blah").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
}
#[test]
fn test_option_responder() {
let app = App::new()
.resource("/none", |r| r.f(|_| -> Option<&'static str> { None }))
.resource("/some", |r| r.f(|_| Some("some")))
.finish();
let req = TestRequest::with_uri("/none").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::NOT_FOUND);
let req = TestRequest::with_uri("/some").request();
let resp = app.run(req);
assert_eq!(resp.as_msg().status(), StatusCode::OK);
assert_eq!(resp.as_msg().body(), &Body::Binary(Binary::Slice(b"some")));
}
#[test]
fn test_filter() {
let mut srv = TestServer::with_factory(|| {
App::new()
.filter(pred::Get())
.handler("/test", |_: &_| HttpResponse::Ok())
});
let request = srv.get().uri(srv.url("/test")).finish().unwrap();
let response = srv.execute(request.send()).unwrap();
assert_eq!(response.status(), StatusCode::OK);
let request = srv.post().uri(srv.url("/test")).finish().unwrap();
let response = srv.execute(request.send()).unwrap();
assert_eq!(response.status(), StatusCode::NOT_FOUND);
}
#[test]
fn test_prefix_root() {
let mut srv = TestServer::with_factory(|| {
App::new()
.prefix("/test")
.resource("/", |r| r.f(|_| HttpResponse::Ok()))
.resource("", |r| r.f(|_| HttpResponse::Created()))
});
let request = srv.get().uri(srv.url("/test/")).finish().unwrap();
let response = srv.execute(request.send()).unwrap();
assert_eq!(response.status(), StatusCode::OK);
let request = srv.get().uri(srv.url("/test")).finish().unwrap();
let response = srv.execute(request.send()).unwrap();
assert_eq!(response.status(), StatusCode::CREATED);
}
}

1
src/lib.rs
View file

@ -3,7 +3,6 @@
mod app; mod app;
mod extractor; mod extractor;
pub mod handler; pub mod handler;
// mod helpers;
// mod info; // mod info;
pub mod blocking; pub mod blocking;
pub mod filter; pub mod filter;

26
src/responder.rs
View file

@ -1,13 +1,11 @@
use actix_http::dev::ResponseBuilder; use actix_http::{dev::ResponseBuilder, http::StatusCode, Error, Response};
use actix_http::http::StatusCode;
use actix_http::{Error, Response};
use bytes::{Bytes, BytesMut}; use bytes::{Bytes, BytesMut};
use futures::future::{err, ok, Either as EitherFuture, FutureResult}; use futures::future::{err, ok, Either as EitherFuture, FutureResult};
use futures::{Future, Poll}; use futures::{Future, Poll};
use crate::request::HttpRequest; use crate::request::HttpRequest;
/// Trait implemented by types that generate http responses. /// Trait implemented by types that can be converted to a http response.
/// ///
/// Types that implement this trait can be used as the return type of a handler. /// Types that implement this trait can be used as the return type of a handler.
pub trait Responder { pub trait Responder {
@ -72,6 +70,15 @@ impl Responder for ResponseBuilder {
} }
} }
impl Responder for () {
type Error = Error;
type Future = FutureResult<Response, Error>;
fn respond_to(self, _: &HttpRequest) -> Self::Future {
ok(Response::build(StatusCode::OK).finish())
}
}
impl Responder for &'static str { impl Responder for &'static str {
type Error = Error; type Error = Error;
type Future = FutureResult<Response, Error>; type Future = FutureResult<Response, Error>;
@ -167,12 +174,7 @@ impl Responder for BytesMut {
/// # fn is_a_variant() -> bool { true } /// # fn is_a_variant() -> bool { true }
/// # fn main() {} /// # fn main() {}
/// ``` /// ```
pub enum Either<A, B> { pub type Either<A, B> = either::Either<A, B>;
/// First branch of the type
A(A),
/// Second branch of the type
B(B),
}
impl<A, B> Responder for Either<A, B> impl<A, B> Responder for Either<A, B>
where where
@ -184,8 +186,8 @@ where
fn respond_to(self, req: &HttpRequest) -> Self::Future { fn respond_to(self, req: &HttpRequest) -> Self::Future {
match self { match self {
Either::A(a) => EitherResponder::A(a.respond_to(req)), either::Either::Left(a) => EitherResponder::A(a.respond_to(req)),
Either::B(b) => EitherResponder::B(b.respond_to(req)), either::Either::Right(b) => EitherResponder::B(b.respond_to(req)),
} }
} }
} }