From 0159eec6a09e841fbfeaf61ec1fef296a3ce7d39 Mon Sep 17 00:00:00 2001
From: mid-kid <esteve.varela@gmail.com>
Date: Sun, 4 Dec 2022 19:15:05 +0100
Subject: [PATCH] cleanup

---
 d04.cc | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/d04.cc b/d04.cc
index 059aa9c..ebf80f3 100644
--- a/d04.cc
+++ b/d04.cc
@@ -9,13 +9,12 @@ public:
     unsigned min;
     unsigned max;
 
-    bool contains(const Range &in) {
+    bool contains(const Range &in) const {
         return min <= in.min && max >= in.max;
     }
 
-    bool overlaps(const Range &in) {
-        return (min <= in.min && in.min <= max)
-            || (in.min <= min && min <= in.max);
+    bool overlaps(const Range &in) const {
+        return min <= in.max && in.min <= max;
     }
 };