Improve register_diagnostics macro

rust-lang · Jul 16, 2015 · a5d8c43 · a5d8c43
1 parent e4e9319
commit a5d8c43
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/libsyntax/diagnostics/macros.rs b/src/libsyntax/diagnostics/macros.rs
@@ -63,6 +63,9 @@ macro_rules! fileline_help {
 macro_rules! register_diagnostics {
     ($($code:tt),*) => (
         $(register_diagnostic! { $code })*
+    );
+    ($($code:tt),*,) => (
+        $(register_diagnostic! { $code })*
     )
 }