feO2x · feO2x · Nov 26, 2025 · Jul 30, 2025 · Jul 30, 2025 · Jul 30, 2025
diff --git a/Code/Directory.Packages.props b/Code/Directory.Packages.props
@@ -0,0 +1,20 @@
+<Project>
+  <PropertyGroup>
+    <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
+    <CentralPackageTransitivePinningEnabled>false</CentralPackageTransitivePinningEnabled>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageVersion Include="BenchmarkDotNet" Version="0.15.6" />
+    <PackageVersion Include="FluentAssertions" Version="[7.2.0]" />
+    <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.13.0" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.Binder" Version="10.0.0" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.CommandLine" Version="10.0.0" />
+    <PackageVersion Include="Microsoft.Extensions.Configuration.Json" Version="10.0.0" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
+    <PackageVersion Include="Microsoft.SourceLink.GitHub" Version="8.0.0" />
+    <PackageVersion Include="Nullable" Version="1.3.1" />
+    <PackageVersion Include="System.Collections.Immutable" Version="10.0.0" />
+    <PackageVersion Include="xunit" Version="2.9.3" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
+  </ItemGroup>
+</Project>
diff --git a/Code/Light.GuardClauses.AllProjects.sln b/Code/Light.GuardClauses.AllProjects.sln
@@ -23,18 +23,24 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Light.GuardClauses.SourceCo
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Light.GuardClauses.Source", "Light.GuardClauses.Source\Light.GuardClauses.Source.csproj", "{A7B9AC78-FA4F-4BDE-9DAF-B854408AB843}"
 EndProject
-Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Versioning", "Versioning", "{176BEDC4-CFE3-4084-8213-B4EC155A7E38}"
-	ProjectSection(SolutionItems) = preProject
-		Version.props = Version.props
-	EndProjectSection
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Light.GuardClauses.SourceCodeTransformation.Tests", "Light.GuardClauses.SourceCodeTransformation.Tests\Light.GuardClauses.SourceCodeTransformation.Tests.csproj", "{A2067796-F167-47BE-B367-191152DCE230}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Plans", "Plans", "{664661A0-3861-486B-87B5-A35A5CC5F7B7}"
 	ProjectSection(SolutionItems) = preProject
 		Plans\issue-114-must-not-be-default-or-empty-for-immutable-array.md = Plans\issue-114-must-not-be-default-or-empty-for-immutable-array.md
 	EndProjectSection
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SolutionItems", "SolutionItems", "{8A42A536-E597-454B-BE18-4F62311FA158}"
+	ProjectSection(SolutionItems) = preProject
+		..\CONTRIBUTING.md = ..\CONTRIBUTING.md
+		..\README.md = ..\README.md
+		..\LICENSE = ..\LICENSE
+		Directory.Packages.props = Directory.Packages.props
+		Version.props = Version.props
+		Light.GuardClauses.AllProjects.sln.DotSettings = Light.GuardClauses.AllProjects.sln.DotSettings
+		Light.GuardClauses.sln.DotSettings = Light.GuardClauses.sln.DotSettings
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU

diff --git a/...ses.InternalRoslynAnalyzers.Tests/Light.GuardClauses.InternalRoslynAnalyzers.Tests.csproj b/...ses.InternalRoslynAnalyzers.Tests/Light.GuardClauses.InternalRoslynAnalyzers.Tests.csproj
@@ -1,15 +1,15 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
         <TargetFramework>net8.0</TargetFramework>
     </PropertyGroup>
 
     <ItemGroup>
         <ProjectReference Include="..\Light.GuardClauses.InternalRoslynAnalyzers\Light.GuardClauses.InternalRoslynAnalyzers.csproj" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-        <PackageReference Include="xunit" Version="2.9.2" />
-        <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
-        <PackageReference Include="FluentAssertions" Version="6.12.1" />
+      <PackageReference Include="Microsoft.NET.Test.Sdk" />
+      <PackageReference Include="xunit" />
+      <PackageReference Include="xunit.runner.visualstudio" />
+      <PackageReference Include="FluentAssertions" />
     </ItemGroup>
 
     <ItemGroup>

diff --git a/...ht.GuardClauses.InternalRoslynAnalyzers/Light.GuardClauses.InternalRoslynAnalyzers.csproj b/...ht.GuardClauses.InternalRoslynAnalyzers/Light.GuardClauses.InternalRoslynAnalyzers.csproj
@@ -1,12 +1,12 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
         <TargetFramework>netstandard2.0</TargetFramework>
         <EnforceExtendedAnalyzerRules>true</EnforceExtendedAnalyzerRules>
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0" />
+      <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" />
     </ItemGroup>
 
 </Project>
diff --git a/...nce/StringAssertions/ContainsBenchmark.cs → .../FrameworkExtensions/ContainsBenchmark.cs b/...nce/StringAssertions/ContainsBenchmark.cs → .../FrameworkExtensions/ContainsBenchmark.cs
@@ -1,7 +1,7 @@
 using System;
 using BenchmarkDotNet.Attributes;
 
-namespace Light.GuardClauses.Performance.StringAssertions
+namespace Light.GuardClauses.FrameworkExtensions.Performance.StringAssertions
 {
     public class ContainsOrdinalBenchmark
     {

diff --git a/Code/Light.GuardClauses.Performance/Light.GuardClauses.Performance.csproj b/Code/Light.GuardClauses.Performance/Light.GuardClauses.Performance.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
@@ -8,7 +8,7 @@
 
     <ItemGroup>
         <ProjectReference Include="..\Light.GuardClauses\Light.GuardClauses.csproj" />
-        <PackageReference Include="BenchmarkDotNet" Version="0.14.0" />
+      <PackageReference Include="BenchmarkDotNet" />
     </ItemGroup>
 
 </Project>
diff --git a/Code/Light.GuardClauses.Source/Light.GuardClauses.Source.csproj b/Code/Light.GuardClauses.Source/Light.GuardClauses.Source.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
         <TargetFramework>netstandard2.0</TargetFramework>
@@ -10,8 +10,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="System.Memory" Version="4.6.0" />
-        <PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.0" />
+      <PackageReference Include="System.Collections.Immutable" />
     </ItemGroup>
 
 </Project>
diff --git a/...s.SourceCodeTransformation.Tests/Light.GuardClauses.SourceCodeTransformation.Tests.csproj b/...s.SourceCodeTransformation.Tests/Light.GuardClauses.SourceCodeTransformation.Tests.csproj
@@ -1,16 +1,16 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFramework>net6.0</TargetFramework>
+      <TargetFramework>net8.0</TargetFramework>
         <IsPackable>false</IsPackable>
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
-        <PackageReference Include="xunit" Version="2.9.2" />
-        <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.11.0" />
-        <PackageReference Include="FluentAssertions" Version="6.12.1" />
+      <PackageReference Include="Microsoft.NET.Test.Sdk" />
+      <PackageReference Include="xunit" />
+      <PackageReference Include="xunit.runner.visualstudio" />
+      <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" />
+      <PackageReference Include="FluentAssertions" />
     </ItemGroup>
 
 </Project>
diff --git a/Code/Light.GuardClauses.SourceCodeTransformation.Tests/ParseCSharpFilesWithRoslynTests.cs b/Code/Light.GuardClauses.SourceCodeTransformation.Tests/ParseCSharpFilesWithRoslynTests.cs
@@ -5,54 +5,56 @@
 using Microsoft.CodeAnalysis.CSharp.Syntax;
 using Xunit;
 
-namespace Light.GuardClauses.SourceCodeTransformation.Tests
+namespace Light.GuardClauses.SourceCodeTransformation.Tests;
+
+public static class ParseCSharpWithRoslynTests
 {
-    public static class ParseCSharpWithRoslynTests
-    {
-        private static readonly DirectoryInfo CodeDirectory;
+    private static readonly DirectoryInfo CodeDirectory;
 
-        static ParseCSharpWithRoslynTests()
-        {
-            CodeDirectory = FindCodeDirectory();
-        }
+    static ParseCSharpWithRoslynTests() => CodeDirectory = FindCodeDirectory();
 
-        [Fact]
-        public static void ParseExpressionExtensionsFile()
-        {
-            var fileInfo = GetLightGuardClausesFile(@"FrameworkExtensions\ExpressionExtensions.cs");
-            var syntaxTree = CSharpSyntaxTree.ParseText(File.ReadAllText(fileInfo.FullName));
-            var root = (CompilationUnitSyntax) syntaxTree.GetRoot();
-
-            root.Members.Should().NotBeEmpty();
-        }
+    [Fact]
+    public static void ParseExpressionExtensionsFile()
+    {
+        var fileInfo = GetLightGuardClausesFile("FrameworkExtensions/ExpressionExtensions.cs");
+        var syntaxTree = CSharpSyntaxTree.ParseText(File.ReadAllText(fileInfo.FullName));
+        var root = (CompilationUnitSyntax) syntaxTree.GetRoot();
 
-        [Fact]
-        public static void ParseSpanDelegatesFile()
-        {
-            var fileInfo = GetLightGuardClausesFile("SpanDelegates.cs");
-            var syntaxTree = CSharpSyntaxTree.ParseText(File.ReadAllText(fileInfo.FullName), new CSharpParseOptions(LanguageVersion.CSharp7_3, preprocessorSymbols: new[] { "NETSTANDARD2_0" }));
-            var root = (CompilationUnitSyntax) syntaxTree.GetRoot();
+        root.Members.Should().NotBeEmpty();
+    }
 
-            root.Members.Should().NotBeEmpty();
-        }
+    [Fact]
+    public static void ParseSpanDelegatesFile()
+    {
+        var fileInfo = GetLightGuardClausesFile("ExceptionFactory/SpanDelegates.cs");
+        var syntaxTree = CSharpSyntaxTree.ParseText(
+            File.ReadAllText(fileInfo.FullName),
+            new (LanguageVersion.CSharp7_3, preprocessorSymbols: ["NETSTANDARD2_0"])
+        );
+        var root = (CompilationUnitSyntax) syntaxTree.GetRoot();
+
+        root.Members.Should().NotBeEmpty();
+    }
 
-        private static DirectoryInfo FindCodeDirectory()
+    private static DirectoryInfo FindCodeDirectory()
+    {
+        var currentDirectory = new DirectoryInfo(".");
+        do
         {
-            var currentDirectory = new DirectoryInfo(".");
-            do
+            if (currentDirectory.Name == "Code")
             {
-                if (currentDirectory.Name == "Code")
-                    return currentDirectory;
+                return currentDirectory;
+            }
 
-                currentDirectory = currentDirectory.Parent;
-            } while (currentDirectory != null);
+            currentDirectory = currentDirectory.Parent;
+        } while (currentDirectory != null);
 
-            throw new InvalidOperationException("This test project does not reside in a folder called \"Code\" (directly or indirectly).");
-        }
-
-        private static FileInfo GetLightGuardClausesFile(string relativeFilePath)
-        {
-            return new FileInfo(Path.Combine(CodeDirectory.FullName, "Light.GuardClauses", relativeFilePath));
-        }
+        throw new InvalidOperationException(
+            "This test project does not reside in a folder called \"Code\" (directly or indirectly)."
+        );
     }
-}
+
+    private static FileInfo GetLightGuardClausesFile(string relativeFilePath) => new (
+        Path.Combine(CodeDirectory.FullName, "Light.GuardClauses", relativeFilePath)
+    );
+}
diff --git a/....GuardClauses.SourceCodeTransformation/Light.GuardClauses.SourceCodeTransformation.csproj b/....GuardClauses.SourceCodeTransformation/Light.GuardClauses.SourceCodeTransformation.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
     <Import Project="..\Version.props" />
 
@@ -10,10 +10,10 @@
 
     <ItemGroup>
         <ProjectReference Include="..\Light.GuardClauses\Light.GuardClauses.csproj" />
-        <PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" Version="8.0.0" />
-        <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.2" />
-        <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.1" />
-        <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.13.0" />
+      <PackageReference Include="Microsoft.Extensions.Configuration.CommandLine" />
+      <PackageReference Include="Microsoft.Extensions.Configuration.Binder" />
+      <PackageReference Include="Microsoft.Extensions.Configuration.Json" />
+      <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" />
     </ItemGroup>
 
     <ItemGroup>

diff --git a/Code/Light.GuardClauses.SourceCodeTransformation/SourceFileMerger.cs b/Code/Light.GuardClauses.SourceCodeTransformation/SourceFileMerger.cs
@@ -61,6 +61,7 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Collections.Immutable;
 using System.Collections.ObjectModel;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;

diff --git a/Code/Light.GuardClauses.Tests/CommonAssertions/IsApproximatelyTests.cs b/Code/Light.GuardClauses.Tests/CommonAssertions/IsApproximatelyTests.cs
@@ -41,7 +41,7 @@ public static void FloatWithDefaultTolerance(float first, float second, bool exp
     public static void FloatWithCustomTolerance(float first, float second, float tolerance, bool expected) =>
         first.IsApproximately(second, tolerance).Should().Be(expected);
 
-#if NET8_0
+#if NET8_0_OR_GREATER
     [Theory]
     [InlineData(1.1, 1.3, 0.5, true)]
     [InlineData(100.55, 100.555, 0.00001, false)]

diff --git a/Code/Light.GuardClauses.Tests/CommonAssertions/IsGreaterThanOrApproximatelyTests.cs b/Code/Light.GuardClauses.Tests/CommonAssertions/IsGreaterThanOrApproximatelyTests.cs
@@ -37,7 +37,7 @@ public static void FloatWithDefaultTolerance(float first, float second, bool exp
     public static void FloatWIthCustomTolerance(float first, float second, float tolerance, bool expected) =>
         first.IsGreaterThanOrApproximately(second, tolerance).Should().Be(expected);
 
-#if NET8_0
+#if NET8_0_OR_GREATER
     [Theory]
     [InlineData(15.91, 15.9, 0.1, true)]
     [InlineData(24.449, 24.45, 0.0001, false)]

diff --git a/Code/Light.GuardClauses.Tests/CommonAssertions/IsLessThanOrApproximatelyTests.cs b/Code/Light.GuardClauses.Tests/CommonAssertions/IsLessThanOrApproximatelyTests.cs
@@ -37,7 +37,7 @@ public static void FloatWithDefaultTolerance(float first, float second, bool exp
     public static void FloatWithCustomTolerance(float first, float second, float tolerance, bool expected) =>
         first.IsLessThanOrApproximately(second, tolerance).Should().Be(expected);
 
-#if NET8_0
+#if NET8_0_OR_GREATER
     [Theory]
     [InlineData(13.25, 13.5, 0.1, true)]  // Less than case
     [InlineData(13.5, 13.5, 0.1, true)]   // Equal case

diff --git a/Code/Light.GuardClauses.Tests/ComparableAssertions/MustBeApproximatelyTests.cs b/Code/Light.GuardClauses.Tests/ComparableAssertions/MustBeApproximatelyTests.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using FluentAssertions;
 using Xunit;
 
@@ -178,7 +178,7 @@ public static void CallerArgumentExpressionWithTolerance_Float()
            .WithParameterName(nameof(pi));
     }
 
-#if NET8_0
+#if NET8_0_OR_GREATER
     [Theory]
     [InlineData(5.1, 5.0, 0.2)]
     [InlineData(10.3, 10.3, 0.01)]

diff --git a/Code/Light.GuardClauses.Tests/ComparableAssertions/MustBeGreaterThanOrApproximatelyTests.cs b/Code/Light.GuardClauses.Tests/ComparableAssertions/MustBeGreaterThanOrApproximatelyTests.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using FluentAssertions;
 using Xunit;
 
@@ -202,7 +202,7 @@ public static void CallerArgumentExpressionWithTolerance_Float()
            .WithParameterName(nameof(pi));
     }
 
-#if NET8_0
+#if NET8_0_OR_GREATER
     [Theory]
     [InlineData(15.91, 15.9, 0.1)]
     [InlineData(24.4999, 24.45, 0.0001)]

diff --git a/Code/Light.GuardClauses.Tests/ComparableAssertions/MustBeLessThanOrApproximatelyTests.cs b/Code/Light.GuardClauses.Tests/ComparableAssertions/MustBeLessThanOrApproximatelyTests.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using FluentAssertions;
 using Xunit;
 
@@ -202,7 +202,7 @@ public static void CallerArgumentExpressionWithTolerance_Float()
            .WithParameterName(nameof(threePointFive));
     }
 
-#if NET8_0
+#if NET8_0_OR_GREATER
     [Theory]
     [InlineData(15.9, 15.91, 0.1)]
     [InlineData(24.45, 24.4999, 0.0001)]

diff --git a/Code/Light.GuardClauses.Tests/ComparableAssertions/MustNotBeApproximatelyTests.cs b/Code/Light.GuardClauses.Tests/ComparableAssertions/MustNotBeApproximatelyTests.cs
@@ -1,4 +1,4 @@
-using System;
+using System;
 using FluentAssertions;
 using Xunit;
 
@@ -180,7 +180,7 @@ public static void CallerArgumentExpressionWithTolerance_Float()
            .WithParameterName(nameof(pi));
     }
 
-#if NET8_0
+#if NET8_0_OR_GREATER
     [Theory]
     [InlineData(5.3, 5.0, 0.2)]
     [InlineData(10.4, 10.3, 0.01)]