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//pub trait Response {
//    fn into_json(self) -> warp::reply::Json;
//}
//
//pub type Result<T: Response, F> = std::result::Result<T, F>;
//
//pub trait Conversions {
//    fn into_warp_result(self) -> std::result::Result<warp::reply::Json, std::convert::Infallible>;
//}
//
//impl<T: Response, F> Conversions for Result<T, F> {
//    fn into_warp_result(self) -> std::result::Result<warp::reply::Json, std::convert::Infallible> {
//        todo!()
//    }
//}

pub trait Middleware {
    type Output;
}

impl<T, Fil: warp::Filter<Extract = (T,)>, F: Fn() -> Fil> Middleware for F {
    type Output = T;
}

#[cfg(test)]
mod tests {
    #[test]
    fn it_works() {
        assert_eq!(2 + 2, 4);
    }
}