From c98384feae966bb2a52ca750f7862acc59738dbc Mon Sep 17 00:00:00 2001
From: CyrusNajmabadi <cyrusn@microsoft.com>
Date: Sat, 12 Nov 2016 20:13:23 -0800
Subject: [PATCH] Remove usage of TypeSwitch.

---
 .../CSharpMakeMethodAsynchronousCodeFixProvider.cs | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/Features/CSharp/Portable/MakeMethodAsynchronous/CSharpMakeMethodAsynchronousCodeFixProvider.cs b/src/Features/CSharp/Portable/MakeMethodAsynchronous/CSharpMakeMethodAsynchronousCodeFixProvider.cs
index e51e56fb492..c0d0d8d67f5 100644
--- a/src/Features/CSharp/Portable/MakeMethodAsynchronous/CSharpMakeMethodAsynchronousCodeFixProvider.cs
+++ b/src/Features/CSharp/Portable/MakeMethodAsynchronous/CSharpMakeMethodAsynchronousCodeFixProvider.cs
@@ -42,12 +42,14 @@ protected override bool IsMethodOrAnonymousFunction(SyntaxNode node)
             bool keepVoid, IMethodSymbol methodSymbolOpt, SyntaxNode node,
             INamedTypeSymbol taskType, INamedTypeSymbol taskOfTType)
         {
-            return node.TypeSwitch(
-                (MethodDeclarationSyntax method) => FixMethod(keepVoid, methodSymbolOpt, method, taskType, taskOfTType),
-                (AnonymousMethodExpressionSyntax method) => FixAnonymousMethod(method),
-                (ParenthesizedLambdaExpressionSyntax lambda) => FixParenthesizedLambda(lambda),
-                (SimpleLambdaExpressionSyntax lambda) => FixSimpleLambda(lambda),
-                _ => node);
+            switch (node)
+            {
+                case MethodDeclarationSyntax method: return FixMethod(keepVoid, methodSymbolOpt, method, taskType, taskOfTType);
+                case AnonymousMethodExpressionSyntax method: return FixAnonymousMethod(method);
+                case ParenthesizedLambdaExpressionSyntax lambda: return FixParenthesizedLambda(lambda);
+                case SimpleLambdaExpressionSyntax lambda: return FixSimpleLambda(lambda);
+                default: return node;
+            }
         }
 
         private SyntaxNode FixMethod(
-- 
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