From b8086c7aec4fa7669b555c78c2381107377b894d Mon Sep 17 00:00:00 2001
From: Marc-Andre Lafortune <github@marc-andre.ca>
Date: Tue, 15 Sep 2020 00:53:55 -0400
Subject: [PATCH] + Optimize Range#column_range

This avoids the creation of 4 temporary objects
---
 lib/parser/source/range.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/parser/source/range.rb b/lib/parser/source/range.rb
index 1850ae527..cc1d63961 100644
--- a/lib/parser/source/range.rb
+++ b/lib/parser/source/range.rb
@@ -112,11 +112,11 @@ def last_column
       # @raise RangeError
       #
       def column_range
-        if self.begin.line != self.end.line
+        if line != last_line
           raise RangeError, "#{self.inspect} spans more than one line"
         end
 
-        self.begin.column...self.end.column
+        column...last_column
       end
 
       ##