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src/XboxPromotionCheckerBot.App/Core/Extensions/EnumerableExtensions.cs

@@ -0,0 +1,18 @@
+using System.Runtime.CompilerServices;
+
+namespace XboxPromotionCheckerBot.App.Core.Extensions;
+
+public static class EnumerableExtensions
+{
+    [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    public static bool IsEmpty<T>(this IEnumerable<T> enumerable)
+    {
+        ArgumentNullException.ThrowIfNull(enumerable);
+        if (enumerable.TryGetNonEnumeratedCount(out var count))
+        {
+            return count == 0;
+        }
+
+        return !enumerable.Any();
+    }
+}