1 files changed, 0 insertions, 59 deletions
diff --git a/vendor/tower/src/util/optional/mod.rs b/vendor/tower/src/util/optional/mod.rs
deleted file mode 100644
index 4d020709..00000000
--- a/vendor/tower/src/util/optional/mod.rs
+++ /dev/null
@@ -1,59 +0,0 @@
-//! Contains [`Optional`] and related types and functions.
-//!
-//! See [`Optional`] documentation for more details.
-
-/// Error types for [`Optional`].
-pub mod error;
-/// Future types for [`Optional`].
-pub mod future;
-
-use self::future::ResponseFuture;
-use std::task::{Context, Poll};
-use tower_service::Service;
-
-/// Optionally forwards requests to an inner service.
-///
-/// If the inner service is [`None`], [`optional::None`] is returned as the response.
-///
-/// [`optional::None`]: crate::util::error::optional::None
-#[derive(Debug)]
-pub struct Optional<T> {
-    inner: Option<T>,
-}
-
-impl<T> Optional<T> {
-    /// Create a new [`Optional`].
-    pub const fn new<Request>(inner: Option<T>) -> Optional<T>
-    where
-        T: Service<Request>,
-        T::Error: Into<crate::BoxError>,
-    {
-        Optional { inner }
-    }
-}
-
-impl<T, Request> Service<Request> for Optional<T>
-where
-    T: Service<Request>,
-    T::Error: Into<crate::BoxError>,
-{
-    type Response = T::Response;
-    type Error = crate::BoxError;
-    type Future = ResponseFuture<T::Future>;
-
-    fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
-        match self.inner {
-            Some(ref mut inner) => match inner.poll_ready(cx) {
-                Poll::Ready(r) => Poll::Ready(r.map_err(Into::into)),
-                Poll::Pending => Poll::Pending,
-            },
-            // None services are always ready
-            None => Poll::Ready(Ok(())),
-        }
-    }
-
-    fn call(&mut self, request: Request) -> Self::Future {
-        let inner = self.inner.as_mut().map(|i| i.call(request));
-        ResponseFuture::new(inner)
-    }
-}