[model] Support optional trailing comma in state! macro

use-ink · Mar 11, 2019 · 96a92bd · 96a92bd
1 parent 6f0ab0f
commit 96a92bd
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/model/src/state.rs b/model/src/state.rs
@@ -42,6 +42,24 @@ macro_rules! state {
 				$field_name:ident : $field_ty:ty
 			),*
 		}
+	) => {
+		$crate::state! {
+			$vis struct $state_name {
+				$(
+					$( #[$field_meta] )*
+					$field_name : $field_ty ,
+				)*
+			}
+		}
+	};
+	(
+		$( #[$state_meta:meta] )*
+		$vis:vis struct $state_name:ident {
+			$(
+				$( #[$field_meta:meta] )*
+				$field_name:ident : $field_ty:ty ,
+			)*
+		}
 	) => {
 		$( #[$state_meta] )*
 		$vis struct $state_name {