From c68537271ca4430baa27f677511637e8648502c1 Mon Sep 17 00:00:00 2001
From: Peter Elliott <pelliott@ualberta.ca>
Date: Sat, 22 Aug 2020 15:57:34 -0600
Subject: [PATCH] AK: Add operator== to AK::Optional

The semantics:
- two Optionals are equal if they are both None
- two Optionals are equal if they are both Some, and their values are
  operator==
---
 AK/Optional.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/AK/Optional.h b/AK/Optional.h
index ccc0986d20..ac7d04d6e5 100644
--- a/AK/Optional.h
+++ b/AK/Optional.h
@@ -97,6 +97,12 @@ public:
         return *this;
     }
 
+    template<typename O>
+    bool operator==(const Optional<O>& other) const
+    {
+        return has_value() == other.has_value() && (!has_value() || value() == other.value());
+    }
+
     ALWAYS_INLINE ~Optional()
     {
         clear();