Improve register_diagnostics macro

GuillaumeGomez · GuillaumeGomez · commit a5d8c43687b5 · 2015-07-16T13:16:59.000+02:00
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 })*
     )
 }
 

Original file line number	Diff line number	Diff line change
`@@ -63,6 +63,9 @@ macro_rules! fileline_help {`
`63`	`63`	`macro_rules! register_diagnostics {`
`64`	`64`	`($($code:tt),*) => (`
`65`	`65`	`$(register_diagnostic! { $code })*`
	`66`	`+ );`
	`67`	`+ ($($code:tt),*,) => (`
	`68`	`+ $(register_diagnostic! { $code })*`
`66`	`69`	`)`
`67`	`70`	`}`
`68`	`71`