Struct actix_web::State
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pub struct State<S>(_);
Access an application state
S
- application state type
Example
#[macro_use] extern crate serde_derive; use actix_web::{App, Path, State, http}; /// Application state struct MyApp {msg: &'static str} #[derive(Deserialize)] struct Info { username: String, } /// extract path info using serde fn index(state: State<MyApp>, info: Path<Info>) -> String { format!("{} {}!", state.msg, info.username) } fn main() { let app = App::with_state(MyApp{msg: "Welcome"}).resource( "/{username}/index.html", // <- define path parameters |r| r.method(http::Method::GET).with2(index)); // <- use `with` extractor }
Trait Implementations
impl<S> Deref for State<S>
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type Target = S
The resulting type after dereferencing.
ⓘImportant traits for &'a mut Wfn deref(&self) -> &S
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ⓘImportant traits for &'a mut W
Dereferences the value.
impl<S: 'static> FromRequest<S> for State<S>
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type Config = ()
Configuration for conversion process
type Result = FutureResult<Self, Error>
Future that resolves to a Self
fn from_request(req: &HttpRequest<S>, _: &Self::Config) -> Self::Result
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Convert request to a Self