From 3273ef1e3f5621d2dc226ea8ca6907fe5ddacd0a Mon Sep 17 00:00:00 2001
From: Hendiadyoin1 <leon.a@serenityos.org>
Date: Mon, 11 Sep 2023 15:07:03 +0200
Subject: [PATCH] AK: Add helper to make DistinctNumeric types comparable to
 enums

---
 AK/DistinctNumeric.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/AK/DistinctNumeric.h b/AK/DistinctNumeric.h
index 9d3bc3b4bc3..82f63dd3464 100644
--- a/AK/DistinctNumeric.h
+++ b/AK/DistinctNumeric.h
@@ -322,6 +322,9 @@ struct Formatter<DistinctNumeric<T, X, Opts...>> : Formatter<T> {
 #define AK_TYPEDEF_DISTINCT_ORDERED_ID(T, NAME) AK_TYPEDEF_DISTINCT_NUMERIC_GENERAL(T, NAME, Comparison, CastToBool)
 // TODO: Further type aliases?
 
+#define AK_MAKE_DISTINCT_NUMERIC_COMPARABLE_TO_ENUM(DN, E) \
+    constexpr bool operator==(DN n, E e) { return n.value() == to_underlying(e); }
+
 template<typename T, typename X, typename... Opts>
 struct Traits<AK::DistinctNumeric<T, X, Opts...>> : public GenericTraits<AK::DistinctNumeric<T, X, Opts...>> {
     static constexpr bool is_trivial() { return true; }