From 0f2ef192ccb0da83d0e53c2b0f00e7c09bf7a6b3 Mon Sep 17 00:00:00 2001
From: Frank McSherry <fmcsherry@me.com>
Date: Sat, 11 May 2019 11:46:18 -0400
Subject: [PATCH] weird

---
 src/trace/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/trace/mod.rs b/src/trace/mod.rs
index a03aea39bd..796883e56b 100644
--- a/src/trace/mod.rs
+++ b/src/trace/mod.rs
@@ -180,7 +180,7 @@ pub trait BatchReader<K, V, T, R> where Self: ::std::marker::Sized
 	/// The number of updates in the batch.
 	fn len(&self) -> usize;
 	/// True if the batch is empty.
-	fn is_empty(&self) -> usize { self.len() == 0 }
+	fn is_empty(&self) -> bool { self.len() == 0 }
 	/// Describes the times of the updates in the batch.
 	fn description(&self) -> &Description<T>;