From a36aed94f17a93ac02f3efef35422ec3bcb5aaad Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Tue, 19 Aug 2014 18:55:36 +0100
Subject: [PATCH] Add support for operator== to Optional

---
 src/optional.hh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/optional.hh b/src/optional.hh
index 61dc9618..68277b1a 100644
--- a/src/optional.hh
+++ b/src/optional.hh
@@ -52,6 +52,17 @@ public:
 
     constexpr explicit operator bool() const noexcept { return m_valid; }
 
+    bool operator==(const Optional& other) const
+    {
+        if (m_valid == other.m_valid)
+        {
+            if (m_valid)
+                return m_value == other.m_value;
+            return true;
+        }
+        return false;
+    }
+
     T& operator*()
     {
         kak_assert(m_valid);