From 6d396520f42449f71778bcd2c24725ac2902a904 Mon Sep 17 00:00:00 2001
From: Tim Kuehn <tikue@google.com>
Date: Thu, 18 Oct 2018 00:23:34 -0700
Subject: [PATCH] Don't allow empty service invocations

---
 tarpc/src/macros.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tarpc/src/macros.rs b/tarpc/src/macros.rs
index cd146dd..26ba657 100644
--- a/tarpc/src/macros.rs
+++ b/tarpc/src/macros.rs
@@ -51,6 +51,9 @@ macro_rules! add_serde_if_enabled {
 ///
 #[macro_export]
 macro_rules! service {
+    () => {
+        compile_error!("Must define at least one RPC method.");
+    };
 // Entry point
     (
         $(