asd

CliFx.Demo/Domain/LibraryProvider.cs

@@ -22,7 +22,8 @@ public class LibraryProvider
 
         var data = File.ReadAllText(StorageFilePath);
 
-        return JsonSerializer.Deserialize(data, LibraryJsonContext.Default.Library) ?? Library.Empty;
+        return JsonSerializer.Deserialize(data, LibraryJsonContext.Default.Library)
+            ?? Library.Empty;
     }
 
     public Book? TryGetBook(string title) =>

CliFx/Attributes/CommandAttribute.cs

@@ -4,9 +4,10 @@ namespace CliFx.Attributes;
 
 /// <summary>
 /// Annotates a type that defines a command.
-/// If a command is named, then the user must provide its name through the command-line arguments in order to execute it.
+/// If the command is named, then the user must provide its name through the
-/// If a command is not named, then it is treated as the application's default command and is executed when no other
+/// command-line arguments in order to execute it.
-/// command is specified.
+/// If the command is not named, then it is treated as the application's
+/// default command and is executed whenever the user does not provide a command name.
 /// </summary>
 /// <remarks>
 /// Only one default command is allowed per application.

CliFx/Attributes/CommandHelpOptionAttribute.cs

@@ -4,7 +4,7 @@
 /// Binds a property to the help option of a command.
 /// </summary>
 /// <remarks>
-/// This attribute is applied automatically by the framework and should not be used explicitly.
+/// This attribute is applied automatically by the framework and should not need to be used explicitly.
 /// </remarks>
 public class CommandHelpOptionAttribute : CommandOptionAttribute
 {

CliFx/Attributes/CommandOptionAttribute.cs

@@ -1,5 +1,4 @@
 using System;
-using CliFx.Extensibility;
 
 namespace CliFx.Attributes;
 
@@ -7,7 +6,8 @@ namespace CliFx.Attributes;
 /// Binds a property to a command option — a command-line input that is identified by a name and/or a short name.
 /// </summary>
 /// <remarks>
-/// All options in a command must have unique names (comparison IS NOT case-sensitive) and short names (comparison IS case-sensitive).
+/// All options in a command must have unique names (comparison IS NOT case-sensitive)
+/// and short names (comparison IS case-sensitive).
 /// </remarks>
 [AttributeUsage(AttributeTargets.Property)]
 public class CommandOptionAttribute : CommandInputAttribute
@@ -51,7 +51,7 @@ public class CommandOptionAttribute : CommandInputAttribute
 
     /// <summary>
     /// Whether this option is required (default: <c>false</c>).
-    /// If an option is required, the user will get an error if they don't set it.
+    /// If an option is required, the user will get an error when they don't set it.
     /// </summary>
     /// <remarks>
     /// You can use the <c>required</c> keyword on the property (introduced in C# 11) to implicitly

CliFx/Attributes/CommandParameterAttribute.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using CliFx.Extensibility;
 
 namespace CliFx.Attributes;
 
@@ -10,7 +9,7 @@ namespace CliFx.Attributes;
 /// </summary>
 /// <remarks>
 /// All parameters in a command must have unique order values.
-/// If a parameter is bound to a property whose type is a sequence (e.g. Array, <see cref="List{T}" />; except <see cref="string" />),
+/// If a parameter is bound to a property whose type is a sequence (i.e. implements <see cref="IEnumerable{T}"/>; except <see cref="string" />),
 /// then it must have the highest order in the command.
 /// Only one sequential parameter is allowed per command.
 /// </remarks>
@@ -24,7 +23,7 @@ public class CommandParameterAttribute(int order) : CommandInputAttribute
 
     /// <summary>
     /// Whether this parameter is required (default: <c>true</c>).
-    /// If a parameter is required, the user will get an error if they don't set it.
+    /// If a parameter is required, the user will get an error when they don't set it.
     /// </summary>
     /// <remarks>
     /// Parameter marked as non-required must have the highest order in the command.

CliFx/Attributes/CommandVersionOptionAttribute.cs

@@ -4,7 +4,7 @@
 /// Binds a property to the version option of a command.
 /// </summary>
 /// <remarks>
-/// This attribute is applied automatically by the framework and should not be used explicitly.
+/// This attribute is applied automatically by the framework and should not need to be used explicitly.
 /// </remarks>
 public class CommandVersionOptionAttribute : CommandOptionAttribute
 {

CliFx/Exceptions/CliFxException.cs

@@ -3,7 +3,7 @@
 namespace CliFx.Exceptions;
 
 /// <summary>
-/// Exception thrown when there is an error during application execution.
+/// Exception thrown within <see cref="CliFx" />.
 /// </summary>
 public partial class CliFxException(
     string message,

CliFx/Extensibility/BoolBindingConverter.cs

@@ -3,7 +3,7 @@
 namespace CliFx.Extensibility;
 
 /// <summary>
-/// Converter for binding command inputs to properties of type <see cref="bool" />.
+/// Converter for activating command inputs bound to properties of type <see cref="bool" />.
 /// </summary>
 public class BoolBindingConverter : BindingConverter<bool>
 {

CliFx/Extensibility/ConvertibleBindingConverter.cs

@@ -3,7 +3,7 @@
 namespace CliFx.Extensibility;
 
 /// <summary>
-/// Converter for binding command inputs to properties whose types implement <see cref="IConvertible" />.
+/// Converter for activating command inputs bound to properties whose types implement <see cref="IConvertible" />.
 /// </summary>
 public class ConvertibleBindingConverter<T> : BindingConverter<T>
     where T : IConvertible

CliFx/Extensibility/DateTimeOffsetBindingConverter.cs

@@ -3,7 +3,7 @@
 namespace CliFx.Extensibility;
 
 /// <summary>
-/// Converter for binding command inputs to properties of type <see cref="DateTimeOffset" />.
+/// Converter for activating command inputs bound to properties of type <see cref="DateTimeOffset" />.
 /// </summary>
 public class DateTimeOffsetBindingConverter : BindingConverter<DateTimeOffset>
 {

CliFx/Extensibility/DelegateBindingConverter.cs

@@ -3,7 +3,7 @@
 namespace CliFx.Extensibility;
 
 /// <summary>
-/// Converter for binding command inputs to properties using a custom delegate.
+/// Converter for activating command inputs bound to properties using a custom delegate.
 /// </summary>
 public class DelegateBindingConverter<T>(Func<string?, IFormatProvider?, T> convert)
     : BindingConverter<T>

CliFx/Extensibility/EnumBindingConverter.cs

@@ -3,7 +3,7 @@
 namespace CliFx.Extensibility;
 
 /// <summary>
-/// Converter for binding command inputs to properties of type <see cref="Enum" />.
+/// Converter for activating command inputs bound to properties of type <see cref="Enum" />.
 /// </summary>
 public class EnumBindingConverter<T> : BindingConverter<T>
     where T : struct, Enum

CliFx/Extensibility/NoopBindingConverter.cs

@@ -3,7 +3,7 @@
 namespace CliFx.Extensibility;
 
 /// <summary>
-/// Converter for binding command inputs to properties without any conversion.
+/// Converter for activating command inputs bound to properties without performing any conversion.
 /// </summary>
 public class NoopBindingConverter : IBindingConverter
 {

CliFx/Extensibility/NullableBindingConverter.cs

@@ -3,7 +3,7 @@
 namespace CliFx.Extensibility;
 
 /// <summary>
-/// Converter for binding command inputs to properties of type <see cref="Nullable{T}" />.
+/// Converter for activating command inputs bound to properties of type <see cref="Nullable{T}" />.
 /// </summary>
 public class NullableBindingConverter<T>(BindingConverter<T> innerConverter) : BindingConverter<T?>
     where T : struct

CliFx/Extensibility/TimeSpanBindingConverter.cs

@@ -3,7 +3,7 @@
 namespace CliFx.Extensibility;
 
 /// <summary>
-/// Converter for binding command inputs to properties of type <see cref="TimeSpan" />.
+/// Converter for activating command inputs bound to properties of type <see cref="TimeSpan" />.
 /// </summary>
 public class TimeSpanBindingConverter : BindingConverter<TimeSpan>
 {

CliFx/Formatting/HelpConsoleFormatter.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
@@ -307,48 +306,14 @@ internal class HelpConsoleFormatter(ConsoleWriter consoleWriter, HelpContext con
         if (defaultValue is null)
             return;
 
-        // Non-Scalar
+        if (schema.Property.Type.IsToStringOverriden())
-        if (defaultValue is not string && defaultValue is IEnumerable defaultValues)
         {
-            var elementType =
+            Write(ConsoleColor.White, "Default: ");
-                schema.Property.Type.TryGetEnumerableUnderlyingType() ?? typeof(object);
 
-            if (elementType.IsToStringOverriden())
+            Write('"');
-            {
+            Write(defaultValue.ToString(CultureInfo.InvariantCulture));
-                Write(ConsoleColor.White, "Default: ");
+            Write('"');
-
+            Write('.');
-                var isFirst = true;
-
-                foreach (var element in defaultValues)
-                {
-                    if (isFirst)
-                    {
-                        isFirst = false;
-                    }
-                    else
-                    {
-                        Write(", ");
-                    }
-
-                    Write('"');
-                    Write(element.ToString(CultureInfo.InvariantCulture));
-                    Write('"');
-                }
-
-                Write('.');
-            }
-        }
-        else
-        {
-            if (schema.Property.Type.IsToStringOverriden())
-            {
-                Write(ConsoleColor.White, "Default: ");
-
-                Write('"');
-                Write(defaultValue.ToString(CultureInfo.InvariantCulture));
-                Write('"');
-                Write('.');
-            }
         }
     }
 

CliFx/Infrastructure/ConsoleReader.cs

@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 namespace CliFx.Infrastructure;
 
 /// <summary>
-/// Implements a <see cref="TextReader" /> for reading characters or binary data from a console stream.
+/// Implements a <see cref="StreamReader" /> for reading characters or binary data from a console stream.
 /// </summary>
 // Both the underlying stream AND the stream reader must be synchronized!
 // https://github.com/Tyrrrz/CliFx/issues/123

CliFx/Infrastructure/ConsoleWriter.cs

@@ -8,7 +8,7 @@ using CliFx.Utils;
 namespace CliFx.Infrastructure;
 
 /// <summary>
-/// Implements a <see cref="TextWriter" /> for writing characters or binary data to a console stream.
+/// Implements a <see cref="StreamWriter" /> for writing characters or binary data to a console stream.
 /// </summary>
 // Both the underlying stream AND the stream writer must be synchronized!
 // https://github.com/Tyrrrz/CliFx/issues/123

CliFx/Infrastructure/DefaultTypeActivator.cs

@@ -5,7 +5,7 @@ using CliFx.Exceptions;
 namespace CliFx.Infrastructure;
 
 /// <summary>
-/// Implementation of <see cref="ITypeActivator" /> that instantiates an object by using its parameterless constructor.
+/// Implementation of <see cref="ITypeActivator" /> that instantiates a type by using its parameterless constructor.
 /// </summary>
 public class DefaultTypeActivator : ITypeActivator
 {

CliFx/Infrastructure/DelegateTypeActivator.cs

@@ -5,7 +5,7 @@ using CliFx.Exceptions;
 namespace CliFx.Infrastructure;
 
 /// <summary>
-/// Implementation of <see cref="ITypeActivator" /> that instantiates an object by using a predefined delegate.
+/// Implementation of <see cref="ITypeActivator" /> that instantiates a type by using a predefined delegate.
 /// </summary>
 public class DelegateTypeActivator(Func<Type, object> createInstance) : ITypeActivator
 {

CliFx/Infrastructure/ITypeActivator.cs

@@ -5,7 +5,7 @@ using CliFx.Exceptions;
 namespace CliFx.Infrastructure;
 
 /// <summary>
-/// Abstraction for a service that can instantiate objects at run-time.
+/// Abstraction for a service that can instantiate types at run-time.
 /// </summary>
 public interface ITypeActivator
 {

CliFx/Schema/CommandInputSchema.cs

@@ -14,23 +14,21 @@ namespace CliFx.Schema;
 /// </summary>
 public abstract class CommandInputSchema(
     PropertyBinding property,
+    bool isSequence,
     string? description,
     IBindingConverter converter,
     IReadOnlyList<IBindingValidator> validators
 )
 {
-    internal abstract string Kind { get; }
-
-    internal abstract string FormattedIdentifier { get; }
-
     /// <summary>
     /// CLR property to which this input is bound.
     /// </summary>
     public PropertyBinding Property { get; } = property;
 
-    internal bool IsSequence { get; } =
+    /// <summary>
-        property.Type != typeof(string)
+    /// Whether this input is a sequence (i.e. multiple values can be provided).
-        && property.Type.TryGetEnumerableUnderlyingType() is not null;
+    /// </summary>
+    public bool IsSequence { get; } = isSequence;
 
     /// <summary>
     /// Input description, used in the help text.
@@ -51,14 +49,14 @@ public abstract class CommandInputSchema(
     {
         var errors = Validators
             .Select(validator => validator.Validate(value))
-            .OfType<BindingValidationError>()
+            .WhereNotNull()
             .ToArray();
 
         if (errors.Any())
         {
             throw CliFxException.UserError(
                 $"""
-                {Kind} {FormattedIdentifier} has been provided with an invalid value.
+                {this.GetKind()} {this.GetFormattedIdentifier()} has been provided with an invalid value.
                 Error(s):
                 {errors.Select(e => "- " + e.Message).JoinToString(Environment.NewLine)}
                 """
@@ -72,7 +70,7 @@ public abstract class CommandInputSchema(
 
         try
         {
-            // Multiple values expected, single or multiple values provided
+            // Sequential input; zero or more values provided
             if (IsSequence)
             {
                 var values = rawValues.Select(v => Converter.Convert(v, formatProvider)).ToArray();
@@ -80,23 +78,22 @@ public abstract class CommandInputSchema(
                 // TODO: cast array to the proper type
 
                 Validate(values);
-
+                Property.SetValue(instance, values);
-                Property.Set(instance, values);
             }
-            // Single value expected, single value provided
+            // Non-sequential input; zero or one value provided
             else if (rawValues.Count <= 1)
             {
                 var value = Converter.Convert(rawValues.SingleOrDefault(), formatProvider);
-                Validate(value);
 
-                Property.Set(instance, value);
+                Validate(value);
+                Property.SetValue(instance, value);
             }
-            // Single value expected, multiple values provided
+            // Non-sequential input; more than one value provided
             else
             {
                 throw CliFxException.UserError(
                     $"""
-                    {Kind} {FormattedIdentifier} expects a single value, but provided with multiple:
+                    {this.GetKind()} {this.GetFormattedIdentifier()} expects a single value, but provided with multiple:
                     {rawValues.Select(v => '<' + v + '>').JoinToString(" ")}
                     """
                 );
@@ -106,7 +103,7 @@ public abstract class CommandInputSchema(
         {
             throw CliFxException.UserError(
                 $"""
-                {Kind} {FormattedIdentifier} cannot be set from the provided value(s):
+                {this.GetKind()} {this.GetFormattedIdentifier()} cannot be set from the provided value(s):
                 {rawValues.Select(v => '<' + v + '>').JoinToString(" ")}
                 Error: {ex.Message}
                 """,
@@ -117,7 +114,7 @@ public abstract class CommandInputSchema(
 
     /// <inheritdoc />
     [ExcludeFromCodeCoverage]
-    public override string ToString() => FormattedIdentifier;
+    public override string ToString() => this.GetFormattedIdentifier();
 }
 
 /// <inheritdoc cref="CommandInputSchema" />
@@ -134,8 +131,41 @@ public abstract class CommandInputSchema<
         TProperty
 >(
     PropertyBinding<TCommand, TProperty> property,
+    bool isSequence,
     string? description,
     BindingConverter<TProperty> converter,
     IReadOnlyList<BindingValidator<TProperty>> validators
-) : CommandInputSchema(property, description, converter, validators)
+) : CommandInputSchema(property, isSequence, description, converter, validators)
     where TCommand : ICommand;
+
+// Define these as extension methods to avoid exposing them as protected members (i.e. essentially public API)
+internal static class CommandInputSchemaExtensions
+{
+    public static string GetKind(this CommandInputSchema schema) =>
+        schema switch
+        {
+            CommandParameterSchema => "Parameter",
+            CommandOptionSchema => "Option",
+            _ => throw new InvalidOperationException("Unknown input schema type.")
+        };
+
+    public static string GetFormattedIdentifier(this CommandInputSchema schema) =>
+        schema switch
+        {
+            CommandParameterSchema parameter
+                => parameter.IsSequence ? $"<{parameter.Name}>" : $"<{parameter.Name}...>",
+            CommandOptionSchema option
+                => option switch
+                {
+                    { Name: not null, ShortName: not null }
+                        => $"-{option.ShortName}|--{option.Name}",
+                    { Name: not null } => $"--{option.Name}",
+                    { ShortName: not null } => $"-{option.ShortName}",
+                    _
+                        => throw new InvalidOperationException(
+                            "Option must have a name or a short name."
+                        )
+                },
+            _ => throw new ArgumentOutOfRangeException(nameof(schema))
+        };
+}

CliFx/Schema/CommandOptionSchema.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Text;
 using CliFx.Extensibility;
 
 namespace CliFx.Schema;
@@ -11,6 +10,7 @@ namespace CliFx.Schema;
 /// </summary>
 public class CommandOptionSchema(
     PropertyBinding property,
+    bool isSequence,
     string? name,
     char? shortName,
     string? environmentVariable,
@@ -18,38 +18,8 @@ public class CommandOptionSchema(
     string? description,
     IBindingConverter converter,
     IReadOnlyList<IBindingValidator> validators
-) : CommandInputSchema(property, description, converter, validators)
+) : CommandInputSchema(property, isSequence, description, converter, validators)
 {
-    internal override string Kind => "Option";
-
-    internal override string FormattedIdentifier
-    {
-        get
-        {
-            var buffer = new StringBuilder();
-
-            // Short name
-            if (ShortName is not null)
-            {
-                buffer.Append('-').Append(ShortName);
-            }
-
-            // Separator
-            if (!string.IsNullOrWhiteSpace(Name) && ShortName is not null)
-            {
-                buffer.Append('|');
-            }
-
-            // Name
-            if (!string.IsNullOrWhiteSpace(Name))
-            {
-                buffer.Append("--").Append(Name);
-            }
-
-            return buffer.ToString();
-        }
-    }
-
     /// <summary>
     /// Option name.
     /// </summary>
@@ -99,6 +69,7 @@ public class CommandOptionSchema<
         TProperty
 >(
     PropertyBinding<TCommand, TProperty> property,
+    bool isSequence,
     string? name,
     char? shortName,
     string? environmentVariable,
@@ -109,6 +80,7 @@ public class CommandOptionSchema<
 )
     : CommandOptionSchema(
         property,
+        isSequence,
         name,
         shortName,
         environmentVariable,

CliFx/Schema/CommandParameterSchema.cs

@@ -9,20 +9,17 @@ namespace CliFx.Schema;
 /// </summary>
 public class CommandParameterSchema(
     PropertyBinding property,
+    bool isSequence,
     int order,
     string name,
     bool isRequired,
     string? description,
     IBindingConverter converter,
     IReadOnlyList<IBindingValidator> validators
-) : CommandInputSchema(property, description, converter, validators)
+) : CommandInputSchema(property, isSequence, description, converter, validators)
 {
-    internal override string Kind => "Parameter";
-
-    internal override string FormattedIdentifier => IsSequence ? $"<{Name}>" : $"<{Name}...>";
-
     /// <summary>
-    /// Order, in which the parameter is bound from the command-line arguments.
+    /// Order, in which the parameter is activated from the command-line arguments.
     /// </summary>
     public int Order { get; } = order;
 
@@ -51,11 +48,22 @@ public class CommandParameterSchema<
         TProperty
 >(
     PropertyBinding<TCommand, TProperty> property,
+    bool isSequence,
     int order,
     string name,
     bool isRequired,
     string? description,
     BindingConverter<TProperty> converter,
     IReadOnlyList<BindingValidator<TProperty>> validators
-) : CommandParameterSchema(property, order, name, isRequired, description, converter, validators)
+)
+    : CommandParameterSchema(
+        property,
+        isSequence,
+        order,
+        name,
+        isRequired,
+        description,
+        converter,
+        validators
+    )
     where TCommand : ICommand;

CliFx/Schema/CommandSchema.cs

@@ -62,24 +62,8 @@ public class CommandSchema(
             ? string.Equals(name, Name, StringComparison.OrdinalIgnoreCase)
             : string.IsNullOrWhiteSpace(name);
 
-    internal IReadOnlyDictionary<CommandInputSchema, object?> GetValues(ICommand instance)
+    internal IReadOnlyDictionary<CommandInputSchema, object?> GetValues(ICommand instance) =>
-    {
+        Inputs.ToDictionary(input => input, input => input.Property.GetValue(instance));
-        var result = new Dictionary<CommandInputSchema, object?>();
-
-        foreach (var parameter in Parameters)
-        {
-            var value = parameter.Property.Get(instance);
-            result[parameter] = value;
-        }
-
-        foreach (var option in Options)
-        {
-            var value = option.Property.Get(instance);
-            result[option] = value;
-        }
-
-        return result;
-    }
 
     private void ActivateParameters(ICommand instance, CommandArguments arguments)
     {
@@ -91,21 +75,20 @@ public class CommandSchema(
 
         foreach (var parameter in Parameters.OrderBy(p => p.Order))
         {
-            // Break when there are no remaining inputs
+            // Break when there are no remaining tokens
             if (position >= arguments.Parameters.Count)
                 break;
 
-            // Sequence: take all remaining inputs starting from the current position
+            // Sequential: take all remaining tokens starting from the current position
             if (parameter.IsSequence)
             {
                 var parameterTokens = arguments.Parameters.Skip(position).ToArray();
-
                 parameter.Activate(instance, parameterTokens.Select(p => p.Value).ToArray());
 
                 position += parameterTokens.Length;
                 remainingParameterTokens.RemoveRange(parameterTokens);
             }
-            // Non-sequence: take one input at the current position
+            // Non-sequential: take one token at the current position
             else
             {
                 var parameterToken = arguments.Parameters[position];
@@ -132,9 +115,9 @@ public class CommandSchema(
         {
             throw CliFxException.UserError(
                 $"""
-                Missing equired parameter(s):
+                Missing required parameter(s):
                 {remainingRequiredParameters
-                    .Select(p => p.FormattedIdentifier)
+                    .Select(p => p.GetFormattedIdentifier())
                     .JoinToString(" ")}
                 """
             );
@@ -153,7 +136,7 @@ public class CommandSchema(
 
         foreach (var option in Options)
         {
-            var optionToken = arguments
+            var optionTokens = arguments
                 .Options.Where(o => option.MatchesIdentifier(o.Identifier))
                 .ToArray();
 
@@ -161,10 +144,10 @@ public class CommandSchema(
                 option.MatchesEnvironmentVariable(v.Key)
             );
 
-            // Direct input
+            // From arguments
-            if (optionToken.Any())
+            if (optionTokens.Any())
             {
-                var rawValues = optionToken.SelectMany(o => o.Values).ToArray();
+                var rawValues = optionTokens.SelectMany(o => o.Values).ToArray();
 
                 option.Activate(instance, rawValues);
 
@@ -172,7 +155,7 @@ public class CommandSchema(
                 if (rawValues.Any())
                     remainingRequiredOptions.Remove(option);
             }
-            // Environment variable
+            // From environment
             else if (!string.IsNullOrEmpty(environmentVariable.Value))
             {
                 var rawValues = !option.IsSequence
@@ -194,7 +177,7 @@ public class CommandSchema(
                 continue;
             }
 
-            remainingOptionTokens.RemoveRange(optionToken);
+            remainingOptionTokens.RemoveRange(optionTokens);
         }
 
         if (remainingOptionTokens.Any())
@@ -213,7 +196,7 @@ public class CommandSchema(
                 $"""
                 Missing required option(s):
                 {remainingRequiredOptions
-                    .Select(o => o.FormattedIdentifier)
+                    .Select(o => o.GetFormattedIdentifier())
                     .JoinToString(", ")}
                 """
             );

CliFx/Schema/PropertyBinding.cs

@@ -13,8 +13,8 @@ public class PropertyBinding(
         DynamicallyAccessedMemberTypes.Interfaces | DynamicallyAccessedMemberTypes.PublicMethods
     )]
         Type type,
-    Func<object, object?> get,
+    Func<object, object?> getValue,
-    Action<object, object?> set
+    Action<object, object?> setValue
 )
 {
     /// <summary>
@@ -28,12 +28,12 @@ public class PropertyBinding(
     /// <summary>
     /// Gets the current value of the property on the specified instance.
     /// </summary>
-    public object? Get(object instance) => get(instance);
+    public object? GetValue(object instance) => getValue(instance);
 
     /// <summary>
     /// Sets the current value of the property on the specified instance.
     /// </summary>
-    public void Set(object instance, object? value) => set(instance, value);
+    public void SetValue(object instance, object? value) => setValue(instance, value);
 
     internal IReadOnlyList<object?>? TryGetValidValues()
     {
@@ -67,9 +67,9 @@ public class PropertyBinding<
         DynamicallyAccessedMemberTypes.Interfaces | DynamicallyAccessedMemberTypes.PublicMethods
     )]
         TProperty
->(Func<TObject, TProperty?> get, Action<TObject, TProperty?> set)
+>(Func<TObject, TProperty?> getValue, Action<TObject, TProperty?> setValue)
     : PropertyBinding(
         typeof(TProperty),
-        o => get((TObject)o),
+        o => getValue((TObject)o),
-        (o, v) => set((TObject)o, (TProperty?)v)
+        (o, v) => setValue((TObject)o, (TProperty?)v)
     );

CliFx/Utils/Extensions/PropertyExtensions.cs

@@ -1,20 +0,0 @@
-using System;
-using System.Linq;
-using System.Reflection;
-
-namespace CliFx.Utils.Extensions;
-
-internal static class PropertyExtensions
-{
-    public static bool IsRequired(this PropertyInfo propertyInfo) =>
-        // Match attribute by name to avoid depending on .NET 7.0+ and to allow polyfilling
-        propertyInfo
-            .GetCustomAttributes()
-            .Any(a =>
-                string.Equals(
-                    a.GetType().FullName,
-                    "System.Runtime.CompilerServices.RequiredMemberAttribute",
-                    StringComparison.Ordinal
-                )
-            );
-}

CliFx/Utils/Extensions/TypeExtensions.cs

@@ -1,33 +1,10 @@
 using System;
-using System.Collections;
-using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Linq;
 
 namespace CliFx.Utils.Extensions;
 
 internal static class TypeExtensions
 {
-    public static Type? TryGetEnumerableUnderlyingType(
-        [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.Interfaces)] this Type type
-    ) =>
-        type.GetInterfaces()
-            .Select(i =>
-            {
-                if (i == typeof(IEnumerable))
-                    return typeof(object);
-
-                if (i.IsGenericType && i.GetGenericTypeDefinition() == typeof(IEnumerable<>))
-                    return i.GetGenericArguments().FirstOrDefault();
-
-                return null;
-            })
-            .WhereNotNull()
-            // Every IEnumerable<T> implements IEnumerable (which is essentially IEnumerable<object>),
-            // so we try to get a more specific underlying type. Still, if the type only implements
-            // IEnumerable<object> and nothing else, then we'll just return that.
-            .MaxBy(t => t != typeof(object));
-
     public static bool IsToStringOverriden(
         [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods)] this Type type
     )