fix warnings

MasterCommander.sln.DotSettings.user

@@ -1,4 +1,5 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:String x:Key="/Default/CodeInspection/Highlighting/SweaWarningsMode/@EntryValue">ShowAndRun</s:String>
 	<s:String x:Key="/Default/Environment/Highlighting/HighlightingSourceSnapshotLocation/@EntryValue">/Users/philippe/Library/Caches/JetBrains/Rider2024.1/resharper-host/temp/Rider/vAny/CoverageData/_MasterCommander.864243456/Snapshot/snapshot.utdcvr</s:String>
 
 

docs/master-commander/CmdOptionsBase.ToArguments().md

@@ -11,4 +11,4 @@ public System.Collections.Generic.IEnumerable<string> ToArguments();
 
 #### Returns
 [System.Collections.Generic.IEnumerable&lt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.IEnumerable-1 'System.Collections.Generic.IEnumerable`1')[System.String](https://docs.microsoft.com/en-us/dotnet/api/System.String 'System.String')[&gt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.IEnumerable-1 'System.Collections.Generic.IEnumerable`1')  
-An enumerable of strings representing the command line arguments.
+A strings enumerable representing the command line arguments.

docs/master-commander/CmdOptionsBase.ToArguments(string[]).md

@@ -18,4 +18,4 @@ Additional arguments to include in the result.
 
 #### Returns
 [System.Collections.Generic.IEnumerable<](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.IEnumerable-1 'System.Collections.Generic.IEnumerable`1')[System.String](https://docs.microsoft.com/en-us/dotnet/api/System.String 'System.String')[>](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.IEnumerable-1 'System.Collections.Generic.IEnumerable`1')  
-An enumerable of strings representing the command line arguments.
+A strings enumerable representing the command line arguments.

src/library/MasterCommander/Core/CmdOptionsBase.cs

@@ -15,7 +15,7 @@ public abstract record CmdOptionsBase(params string[] InitialArguments)
     /// Converts the properties of the command options into an enumerable of argument strings.
     /// </summary>
     /// <param name="additionalArguments">Additional arguments to include in the result.</param>
-    /// <returns>An enumerable of strings representing the command line arguments.</returns>
+    /// <returns>A strings enumerable representing the command line arguments.</returns>
     public IEnumerable<string> ToArguments(params string[] additionalArguments)
     {
         var arguments = ToArguments();
@@ -25,7 +25,7 @@ public IEnumerable<string> ToArguments(params string[] additionalArguments)
     /// <summary>
     /// Converts the properties of the command options into an enumerable of argument strings.
     /// </summary>
-    /// <returns>An enumerable of strings representing the command line arguments.</returns>
+    /// <returns>A strings enumerable representing the command line arguments.</returns>
     public IEnumerable<string> ToArguments()
     {
         var arguments = new List<string>(InitialArguments);
@@ -85,7 +85,7 @@ public IEnumerable<string> ToArguments()
     /// <param name="cmdOptionValues">The attribute specifying valid values, if present.</param>
     private static void ValidatePropertyValue(PropertyInfo property, object value, CmdOptionValuesAttribute? cmdOptionValues)
     {
-        if (cmdOptionValues != null && !cmdOptionValues.ValidOptions.Contains(value.ToString()))
+        if (cmdOptionValues?.ValidOptions.Contains(value.ToString()) == false)
         {
             throw new ArgumentException($"Invalid value for {property.Name}. Valid options are: {string.Join(", ", cmdOptionValues.ValidOptions)}");
         }

src/tests/MasterCommander.Tests/CmdOptionsBaseTests.cs

@@ -20,7 +20,7 @@ public void ToArguments_ShouldNotIncludeFalseBooleans()
         };
 
         // Act
-        var args = options.ToArguments();
+        var args = options.ToArguments().ToList();
 
         // Assert
         string[] unexpected = ["--dry-run", "--no-update-check", "--diagnostics"];

src/tests/MasterCommander.Tests/DotnetNewOptionsTests.cs

@@ -34,7 +34,7 @@ public void ToArguments_ShouldOmitOptionalArguments_WhenNotSet()
         var options = new DotnetNewOptions("console");
 
         // Act
-        var args = options.ToArguments();
+        var args = options.ToArguments().ToList();
 
         // Assert
         args.Should().ContainInOrder("new", "console");

src/tests/MasterCommander.Tests/GlobalUsings.cs

@@ -4,4 +4,3 @@
 
 global using FluentAssertions;
 global using MasterCommander.Core;
-global using Xunit;