feat: aetherbind, first source generator

2026-07-18 17:05:03 +02:00
parent 4ce99d9486
commit aae9c083d9
69 changed files with 210 additions and 156 deletions
@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+
+namespace GodotHostTest.AetherBind;
+
+public static class EnumerableExtensions
+{
+    public enum SingleFailureReason
+    {
+        LessThanOne,
+        MoreThanOne
+    }
+
+    public static T? Single<T>(this IEnumerable<T> enumerable, out SingleFailureReason? failureReason)
+        where T : class
+    {
+        using var enumerator = enumerable.GetEnumerator();
+        if (!enumerator.MoveNext())
+        {
+            failureReason = SingleFailureReason.LessThanOne;
+            return null;
+        }
+
+        var value = enumerator.Current;
+        if (enumerator.MoveNext())
+        {
+            failureReason = SingleFailureReason.MoreThanOne;
+            return null;
+        }
+
+        failureReason = null;
+        return value;
+    }
+}