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

Add trailing comma support to matches macro
2020-09-01 18:24:23 -07:00 · 2020-09-01 18:24:23 -07:00 · 383da5e1e6
parent 130359cb05 f3d7645fb7
commit 383da5e1e6
1 changed files with 1 additions and 1 deletions
--- 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