From e9b1e7d101438d30e9753807e875850b4b199245 Mon Sep 17 00:00:00 2001
From: Tim Kuehn <tikue@google.com>
Date: Fri, 26 Jun 2020 19:47:20 -0700
Subject: [PATCH] Use  `#[non_exhaustive]` in lieu of _NonExhaustive enum
 variant.

---
 tarpc/src/rpc/mod.rs        | 3 +--
 tarpc/src/rpc/server/mod.rs | 1 -
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/tarpc/src/rpc/mod.rs b/tarpc/src/rpc/mod.rs
index 25fe450..2690157 100644
--- a/tarpc/src/rpc/mod.rs
+++ b/tarpc/src/rpc/mod.rs
@@ -38,6 +38,7 @@ use std::{io, time::SystemTime};
 /// A message from a client to a server.
 #[derive(Debug)]
 #[cfg_attr(feature = "serde1", derive(serde::Serialize, serde::Deserialize))]
+#[non_exhaustive]
 pub enum ClientMessage<T> {
     /// A request initiated by a user. The server responds to a request by invoking a
     /// service-provided request handler.  The handler completes with a [`response`](Response), which
@@ -58,8 +59,6 @@ pub enum ClientMessage<T> {
         /// The ID of the request to cancel.
         request_id: u64,
     },
-    #[doc(hidden)]
-    _NonExhaustive,
 }
 
 /// A request from a client to a server.
diff --git a/tarpc/src/rpc/server/mod.rs b/tarpc/src/rpc/server/mod.rs
index d2aa9eb..d182997 100644
--- a/tarpc/src/rpc/server/mod.rs
+++ b/tarpc/src/rpc/server/mod.rs
@@ -304,7 +304,6 @@ where
                     } => {
                         self.as_mut().cancel_request(&trace_context, request_id);
                     }
-                    ClientMessage::_NonExhaustive => unreachable!(),
                 },
                 None => return Poll::Ready(None),
             }