update to .net 9

Author: pwelter34

src/Equatable.Comparers/Equatable.Comparers.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard2.0' ">

src/Equatable.Generator/Equatable.Generator.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
     <RootNamespace>Equatable</RootNamespace>
   </PropertyGroup>
 

src/Equatable.SourceGenerator/IsExternalInit.cs

@@ -1,17 +1,6 @@
-// Licensed to the .NET Foundation under one or more agreements.
-// The .NET Foundation licenses this file to you under the MIT license.
-// See the LICENSE file in the project root for more information.
-
 using System.ComponentModel;
 
-// ReSharper disable once CheckNamespace
 namespace System.Runtime.CompilerServices;
 
-/// <summary>
-/// Reserved to be used by the compiler for tracking metadata.
-/// This class should not be used by developers in source code.
-/// </summary>
 [EditorBrowsable(EditorBrowsableState.Never)]
-internal static class IsExternalInit
-{
-}
+internal static class IsExternalInit;

src/Equatable.SourceGenerator/Models/EquatableArray.cs

@@ -4,13 +4,24 @@
 namespace Equatable.SourceGenerator.Models;
 
 [ExcludeFromCodeCoverage]
-public readonly struct EquatableArray<T>(T[] array) : IEquatable<EquatableArray<T>>, IEnumerable<T>
+public readonly struct EquatableArray<T> : IEquatable<EquatableArray<T>>, IEnumerable<T>
     where T : IEquatable<T>
 {
-    public T[] Array { get; } = array ?? [];
+    public static readonly EquatableArray<T> Empty = new();
+
+
+    public EquatableArray() : this([]) { }
+
+    public EquatableArray(T[] array) => Array = array ?? [];
+
+    public EquatableArray(IEnumerable<T> items) => Array = items.ToArray() ?? [];
+
+
+    public T[] Array { get; }
 
     public int Count => Array.Length;
 
+
     public ReadOnlySpan<T> AsSpan() => Array.AsSpan();
 
     public T[] AsArray() => Array;
@@ -44,4 +55,6 @@ public override int GetHashCode()
 
 
     public static implicit operator EquatableArray<T>(T[] array) => new(array);
+
+    public static implicit operator EquatableArray<T>(List<T> items) => new(items);
 }

test/Equatable.Entities/Equatable.Entities.csproj

@@ -1,10 +1,13 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;net6.0;net8.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;net8.0;net9.0</TargetFrameworks>
     <IsPackable>false</IsPackable>
     <Nullable>enable</Nullable>
     <LangVersion>latest</LangVersion>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(Configuration)'=='Debug'">
     <EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
   </PropertyGroup>