Add ops == and != for Optional

src/catch2/internal/catch_optional.hpp

@@ -75,6 +75,19 @@ namespace Catch {
             return some();
         }
 
+        friend bool operator==(Optional const& a, Optional const& b) {
+            if (a.none() && b.none()) {
+                return true;
+            } else if (a.some() && b.some()) {
+                return *a == *b;
+            } else {
+                return false;
+            }
+        }
+        friend bool operator!=(Optional const& a, Optional const& b) {
+            return !( a == b );
+        }
+
     private:
         T *nullableValue;
         alignas(alignof(T)) char storage[sizeof(T)];