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use axum::{
extract::{FromRef, State},
routing::get,
Router,
};
use axum_macros::FromRequest;
fn main() {
let _: axum::Router = Router::new()
.route("/b", get(|_: (), _: AppState| async {}))
.route("/c", get(|_: (), _: InnerState| async {}))
.with_state(AppState::default());
}
#[derive(Clone, Default, FromRequest)]
#[from_request(via(State), state(AppState))]
struct AppState {
inner: InnerState,
}
#[derive(Clone, Default, FromRequest)]
#[from_request(via(State), state(AppState))]
struct InnerState {}
impl FromRef<AppState> for InnerState {
fn from_ref(input: &AppState) -> Self {
input.inner.clone()
}
}
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