Created
December 9, 2024 14:34
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axum like router with state
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| #![allow(warnings)] | |
| use std::marker::PhantomData; | |
| fn foo() { | |
| fn handler(State(s): State<AppState>) { | |
| todo!() | |
| } | |
| let state = AppState {}; | |
| let app: Router<AppState, Body> = Router::new().route("/", get(handler)).with_state(state); | |
| } | |
| #[derive(Clone)] | |
| struct AppState {} | |
| struct Body {} | |
| #[derive(Debug)] | |
| struct Request<Body> { | |
| _marker: PhantomData<Body>, | |
| } | |
| struct Router<State, Body> { | |
| _marker: std::marker::PhantomData<(State, Body)>, | |
| } | |
| impl<State, Body> Router<State, Body> { | |
| fn new() -> Self { | |
| todo!() | |
| } | |
| fn route(self, path: &str, service: MethodRouter<State, Body>) -> Self { | |
| todo!() | |
| } | |
| fn with_state(self, state: State) -> Self { | |
| todo!() | |
| } | |
| } | |
| trait Service<R> {} | |
| struct MethodRouter<State, Body> { | |
| _marker: std::marker::PhantomData<(State, Body)>, | |
| } | |
| fn get<H, T, State, Body>(handler: H) -> MethodRouter<State, Body> | |
| where | |
| H: Handler<T, State, Body>, | |
| { | |
| todo!() | |
| } | |
| trait Handler<HandlerInput, State, Body> {} | |
| trait FromRequest<State, Body> {} | |
| impl<State, Body, F> Handler<(), State, Body> for F where F: Fn() {} | |
| impl<State, Body, F, T1> Handler<(T1,), State, Body> for F | |
| where | |
| F: Fn(T1), | |
| T1: FromRequest<State, Body>, | |
| { | |
| } | |
| impl<State, Body, F, T1, T2> Handler<(T1, T2), State, Body> for F | |
| where | |
| F: Fn(T1, T2), | |
| T1: FromRequest<State, Body>, | |
| T2: FromRequest<State, Body>, | |
| { | |
| } | |
| struct State<S>(S); | |
| impl<S, B> FromRequest<S, B> for State<S> {} | |
| impl<S, B> FromRequest<S, B> for () {} |
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