From c53ba64e33b894cd058cfc28cc1e2cf9f6a484c8 Mon Sep 17 00:00:00 2001
From: Oskar Eichler <oskar@songstats.com>
Date: Fri, 28 Aug 2026 02:42:02 +0300
Subject: [PATCH] Recognize missing Range endpoints by identity

---
 lib/pp.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/pp.rb b/lib/pp.rb
index 798a4f4..e6d9f57 100644
--- a/lib/pp.rb
+++ b/lib/pp.rb
@@ -527,8 +527,8 @@ def pretty_print_cycle(q) # :nodoc:
 
 class Range # :nodoc:
   def pretty_print(q) # :nodoc:
-    begin_nil = self.begin == nil
-    end_nil = self.end == nil
+    begin_nil = nil.equal?(self.begin)
+    end_nil = nil.equal?(self.end)
     q.pp self.begin if !begin_nil || end_nil
     q.breakable ''
     q.text(self.exclude_end? ? '...' : '..')