Add FlagsExAttribute

Packages/MinimalUtility/Runtime/FlagsExAttribute.cs

@@ -0,0 +1,61 @@
+namespace MinimalUtility
+{
+    /// <summary>
+    /// <see cref="System.FlagsAttribute"/>の拡張版.
+    /// </summary>
+    /// <remarks>
+    /// 以下のようなコードを自動生成して、foreach文で保持フラグの列挙を可能にする.その必要がなければ、<see cref="System.FlagsAttribute"/>を使用推奨.
+    /// </remarks>
+    /// <example>
+    /// <code>
+    /// <![CDATA[
+    /// using System.Runtime.CompilerServices;
+    ///
+    /// namespace MinimalUtility
+    /// {
+    ///     internal static class HogeExtensions
+    ///     {
+    ///
+    ///         [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    ///         public static Enumerator GetEnumerator(this Hoge value)
+    ///         {
+    ///             return new Enumerator(value);
+    ///         }
+    ///
+    ///         public struct Enumerator
+    ///         {
+    ///             private Hoge value;
+    ///
+    ///             public Hoge Current { get; private set; }
+    ///
+    ///             internal Enumerator(Hoge value)
+    ///             {
+    ///                 this.value = value;
+    ///                 Current = default;
+    ///             }
+    ///
+    ///             /// <inheritdoc/>
+    ///             public bool MoveNext()
+    ///             {
+    ///                 var flags = (int)value;
+    ///                 if (flags == 0) return false;
+    ///                 Current = (Hoge)(flags & -flags); // get lowest flag
+    ///                 value &= ~Current;
+    ///                 return true;
+    ///             }
+    ///         }
+    ///     }
+    /// }
+    /// ]]>
+    /// </code>
+    /// </example>
+    public sealed class FlagsExAttribute : System.FlagsAttribute
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="FlagsExAttribute"/> class.
+        /// </summary>
+        public FlagsExAttribute() : base()
+        {
+        }
+    }
+}

Packages/MinimalUtility/package.json

@@ -1,7 +1,7 @@
 {
   "name": "jp.kochounoyume.minimal.utility",
   "displayName": "MinimalUtility",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "unity": "2022.3",
   "keyword": [
     "Debug",

SourceGenerator/MinimalUtility.SourceGenerator/XEnumGenerator.cs

@@ -32,7 +32,7 @@ void IIncrementalGenerator.Initialize(IncrementalGeneratorInitializationContext
             .Collect();
         context.RegisterSourceOutput(methods, RegisterCoreImplementation);
         var flagsAttributeSources = context.SyntaxProvider.ForAttributeWithMetadataName(
-            typeof(FlagsAttribute).FullName!,
+            "MinimalUtility.FlagsExAttribute",
             static (_, token) =>
             {
                 token.ThrowIfCancellationRequested();