Add trailing comma support to matches macro

2020-07-28 18:42:13 +02:00 · 2020-07-28 18:42:13 +02:00 · f3d7645fb7
commit f3d7645fb7
parent 2c28244cf0
1 changed files with 1 additions and 1 deletions
--- a/library/core/src/macros/mod.rs
+++ b/library/core/src/macros/mod.rs
@ -255,7 +255,7 @@ 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