Added "base class".

.gitignore

@@ -9,4 +9,5 @@ pubspec.lock
 # Manually added
 /.idea/libraries/Dart_Packages.xml
 /doc/
+/test/Formatter/Playground.dart
 /test/Sandbox.dart

lib/src/Formatters/ClassDeclarationFormatter.dart

@@ -29,6 +29,7 @@ class ClassDeclarationFormatter extends IFormatter
         //log('### NOT COPYING node.sortedCommentAndAnnotations', 0);
 
         formatState.copyEntity(node.sealedKeyword, astVisitor, '$methodName/node.abstractKeyword');
+        formatState.copyEntity(node.baseKeyword, astVisitor, '$methodName/node.baseKeyword');
         formatState.copyEntity(node.abstractKeyword, astVisitor, '$methodName/node.abstractKeyword');
         formatState.copyEntity(node.mixinKeyword, astVisitor, '$methodName/node.mixinKeyword');
         formatState.copyEntity(node.interfaceKeyword, astVisitor, '$methodName/node.interfaceKeyword');

test/Formatters/ClassDeclarationFormatter_test.dart

@@ -41,6 +41,15 @@ void main()
                 TestConfig('@a sealed class C\n{\n}\n')
             ]
         ),
+        TestGroupConfig(
+            inputNodeCreator: AstCreator.createDeclaration,
+            inputMiddle: 'base class C{}',
+            name: 'ClassDeclaration / base class C{}',
+            testConfigs: <TestConfig>[
+                TestConfig.none(),
+                TestConfig('base class C\n{\n}\n')
+            ]
+        ),
         TestGroupConfig(
             inputNodeCreator: AstCreator.createDeclaration,
             inputMiddle: 'abstract mixin class C{}',

test/Formatters/SwitchExpressionFormatter_test.dart

@@ -20,7 +20,7 @@ void main()
             name: 'SwitchPatternCase',
             astVisitors: <TestVisitor<void>>[
                 TestVisitor<IntegerLiteral>(22, '0'),
-                TestVisitor<SwitchExpressionCase>(25, '0=>0'),
+                TestVisitor<SwitchExpressionCase>(25, '0=>0')
             ],
             testConfigs: <TestConfig>[
                 TestConfig.none(),

test/Unsolved/Comma after closing brace.dart

@@ -0,0 +1,39 @@
+final Iterable<int> placeholderDigits = <int>[0, 1, 2, 3, 4, 5, 6, 7, 8, 9].map<int>(
+    (int n)
+    // ignore: prefer_expression_function_bodies
+    {
+        return 0;
+    }
+
+);
+/*
+final Iterable<int> placeholderDigits = <int>[0, 1, 2, 3, 4, 5, 6, 7, 8, 9].map<int>(
+(int n)
+// ignore: prefer_expression_function_bodies
+{
+return 0;
+},
+);
+*/
+
+class C
+{
+    final void Function() a;
+    final int b;
+
+    const C({required this.a, required this.b});
+}
+
+final C x = C(
+    a: ()
+    {
+    }
+    ,
+    b: 0
+);
+/*
+final x = C(
+a: () {},
+b: 0,
+);
+*/