[−][src]Trait roa_core::State
The State
trait, should be replace with trait alias.
The App::state
will be cloned when a request inbounds.
State
is designed to share data or handler between middlewares.
Example
use roa_core::App; use roa_core::http::StatusCode; #[derive(Clone)] struct State { id: u64, } let mut app = App::new(State { id: 0 }); app.gate_fn(|mut ctx, next| async move { ctx.id = 1; next.await }); app.end(|ctx| async move { let id = ctx.id; assert_eq!(1, id); Ok(()) });