Eat some dogfood!

lib/src/rule/argument.dart

Index: lib/src/rule/argument.dart
diff --git a/lib/src/rule/argument.dart b/lib/src/rule/argument.dart
index 06271369125a3d9ce518787eccbb0bd6f993e790..95768a4f6e1c7a6e65c8f79446801d6156018bab 100644
--- a/lib/src/rule/argument.dart
+++ b/lib/src/rule/argument.dart
@@ -213,7 +213,8 @@ class MultiplePositionalRule extends PositionalRule {
       }
 
       for (var i = _arguments.length - _trailingBlocks;
-          i < _arguments.length; i++) {
+          i < _arguments.length;
+          i++) {
         if (chunk == _arguments[i]) return false;
       }
 
@@ -284,9 +285,12 @@ class NamedRule extends ArgumentRule {
 
   bool isSplit(int value, Chunk chunk) {
     switch (value) {
-      case 0: return false;
-      case 1: return chunk == _first;
-      case 2: return true;
+      case 0:
+        return false;
+      case 1:
+        return chunk == _first;
+      case 2:
+        return true;
     }
 
     throw "unreachable";