Method call

examples/auth/src/utils/error.rs:27–33

(&self, ctx: WebContext<'_, C>)

    type Error = std::convert::Infallible;

    async fn call(&self, ctx: WebContext<'_, C>) -> Result<Self::Response, Self::Error> {
        let res = StatusCode::INTERNAL_SERVER_ERROR
            .respond(ctx)
            .await
            .expect("predetermined response generator pattern can not fail");
        Ok(res)
    }
}

/// Collection of error happens during authentication