Use netstandard2.0

VYaml.SourceGenerator/Shims/GlobalAliases.cs

@@ -49,7 +49,7 @@ public override int GetHashCode()
         {
             var hashCode = 0;
             foreach (var tuple in this.AliasAndSymbolNames)
-                hashCode = HashCode.Combine(tuple.GetHashCode(), hashCode);
+                hashCode = Hash.Combine(tuple.GetHashCode(), hashCode);
 
             _hashCode = hashCode == 0 ? 1 : hashCode;
         }

VYaml.SourceGenerator/Shims/Hash.cs

@@ -0,0 +1,26 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+// Copied from https://github.com/dotnet/runtime/blob/main/src/libraries/Common/src/Roslyn/Hash.cs
+
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using Microsoft.CodeAnalysis;
+
+namespace Roslyn.Utilities
+{
+    internal static class Hash
+    {
+        /// <summary>
+        /// This is how VB Anonymous Types combine hash values for fields.
+        /// </summary>
+        internal static int Combine(int newKey, int currentKey)
+        {
+            return unchecked((currentKey * (int)0xA5555529) + newKey);
+        }
+
+        // The rest of this file was removed as they were not currently needed in the polyfill of SyntaxValueProvider.ForAttributeWithMetadataName.
+        // If that changes, they should be added back as necessary.
+    }
+}

VYaml.SourceGenerator/Shims/ImmutableArrayValueComparer.cs

@@ -7,6 +7,7 @@
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
+using Roslyn.Utilities;
 
 namespace Microsoft.CodeAnalysis.DotnetRuntime.Extensions;
 
@@ -23,7 +24,7 @@ public int GetHashCode(ImmutableArray<T> obj)
         {
             var hashCode = 0;
             foreach (var value in obj)
-                hashCode = HashCode.Combine(hashCode, EqualityComparer<T>.Default.GetHashCode(value!));
+                hashCode = Hash.Combine(hashCode, EqualityComparer<T>.Default.GetHashCode(value!));
 
             return hashCode;
         }

VYaml.SourceGenerator/VYaml.SourceGenerator.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
     <PropertyGroup>
-        <TargetFramework>netstandard2.1</TargetFramework>
+        <TargetFramework>netstandard2.0</TargetFramework>
         <LangVersion>12</LangVersion>
         <Nullable>enable</Nullable>
 

VYaml.Unity/Assets/VYaml/PerformanceTest/SampleEnvoy.cs

@@ -22,7 +22,7 @@ public partial class TypedConfig
 
     [YamlObject]
     public partial class RouteConfig
-    {1
+    {
         public string Name { get; set; }
 
         [YamlMember("virtual_hosts")]