From a4c96231feb1188f6a0e33efa5d4480e27315b26 Mon Sep 17 00:00:00 2001
From: Ben Frankel <ben.frankel7@gmail.com>
Date: Sun, 28 Jun 2020 14:23:23 -0700
Subject: [PATCH] [rs] Allow trailing comma in vertex_attr_array!

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

diff --git a/wgpu/src/macros.rs b/wgpu/src/macros.rs
index 3cf649ed1a..17bb4e8fd2 100644
--- a/wgpu/src/macros.rs
+++ b/wgpu/src/macros.rs
@@ -12,7 +12,7 @@
 /// Offsets are calculated automatically.
 #[macro_export]
 macro_rules! vertex_attr_array {
-    ($($loc:expr => $fmt:ident),*) => {
+    ($($loc:expr => $fmt:ident),* $(,)?) => {
         $crate::vertex_attr_array!([] ; 0; $($loc => $fmt ,)*)
     };
     ([$($t:expr,)*] ; $off:expr ;) => { [$($t,)*] };