Rollup merge of #74880 - chrisduerr:fix_matches, r=dtolnay

Add trailing comma support to matches macro
rust-lang · Sep 2, 2020 · 383da5e · 383da5e
2 parents 130359c + f3d7645
commit 383da5e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs
@@ -242,7 +242,7 @@ macro_rules! debug_assert_ne {
 #[macro_export]
 #[stable(feature = "matches_macro", since = "1.42.0")]
 macro_rules! matches {
-    ($expression:expr, $( $pattern:pat )|+ $( if $guard: expr )?) => {
+    ($expression:expr, $( $pattern:pat )|+ $( if $guard: expr )? $(,)?) => {
         match $expression {
             $( $pattern )|+ $( if $guard )? => true,
             _ => false