From 5e64dee0edb4a1cee0ed8d46a97f634adafbc10e Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Tue, 18 Dec 2018 15:43:49 +0100
Subject: [PATCH] Only define assert_size!() macro when testing.

---
 src/macros.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/macros.rs b/src/macros.rs
index ac77ed5..d1a4074 100644
--- a/src/macros.rs
+++ b/src/macros.rs
@@ -552,6 +552,7 @@ macro_rules! generate_element {
     );
 }
 
+#[cfg(test)]
 macro_rules! assert_size (
     ($t:ty, $sz:expr) => (
         assert_eq!(::std::mem::size_of::<$t>(), $sz);