From ef33cc577fc7fffc665f2d7d9c760f5d81402c9f Mon Sep 17 00:00:00 2001
From: Sean Cross <sean@xobs.io>
Date: Thu, 29 Oct 2020 19:39:12 +0800
Subject: [PATCH] macros: use `matches!()` to fix build warning

This is a new feature, and Rust really wants us to use it.

Signed-off-by: Sean Cross <sean@xobs.io>
---
 macros/src/lib.rs | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/macros/src/lib.rs b/macros/src/lib.rs
index 8d8835bc0..594f04099 100644
--- a/macros/src/lib.rs
+++ b/macros/src/lib.rs
@@ -66,10 +66,7 @@ pub fn xous_main(args: TokenStream, input: TokenStream) -> TokenStream {
         && f.sig.variadic.is_none()
         && match f.sig.output {
             ReturnType::Default => false,
-            ReturnType::Type(_, ref ty) => match **ty {
-                Type::Never(_) => true,
-                _ => false,
-            },
+            ReturnType::Type(_, ref ty) => matches!(**ty, Type::Never(_)),
         };
 
     if !valid_signature {