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pub(crate) mod request;
pub(crate) mod request_parts;
#[cfg(test)]
mod tests {
use std::convert::Infallible;
use crate::extract::{FromRef, FromRequestParts};
use async_trait::async_trait;
use http::request::Parts;
#[derive(Debug, Default, Clone, Copy)]
pub(crate) struct State<S>(pub(crate) S);
#[async_trait]
impl<OuterState, InnerState> FromRequestParts<OuterState> for State<InnerState>
where
InnerState: FromRef<OuterState>,
OuterState: Send + Sync,
{
type Rejection = Infallible;
async fn from_request_parts(
_parts: &mut Parts,
state: &OuterState,
) -> Result<Self, Self::Rejection> {
let inner_state = InnerState::from_ref(state);
Ok(Self(inner_state))
}
}
// some extractor that requires the state, such as `SignedCookieJar`
#[allow(dead_code)]
pub(crate) struct RequiresState(pub(crate) String);
#[async_trait]
impl<S> FromRequestParts<S> for RequiresState
where
S: Send + Sync,
String: FromRef<S>,
{
type Rejection = Infallible;
async fn from_request_parts(
_parts: &mut Parts,
state: &S,
) -> Result<Self, Self::Rejection> {
Ok(Self(String::from_ref(state)))
}
}
}
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