From ad71715b42f5278fb46cedec874cb7e9a4fe3cf3 Mon Sep 17 00:00:00 2001
From: Vlatka Pavisic
Date: Fri, 30 Dec 2016 16:44:30 +0100
Subject: Refs #2262 Refs #2263 Refs #2264 Refs #2265 : Calendars 80% done

---
 lib/range_ext.rb | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 lib/range_ext.rb

(limited to 'lib/range_ext.rb')

diff --git a/lib/range_ext.rb b/lib/range_ext.rb
new file mode 100644
index 000000000..5afb44dee
--- /dev/null
+++ b/lib/range_ext.rb
@@ -0,0 +1,7 @@
+class Range
+  def intersection(other)
+    return nil if (self.max < other.begin or other.max < self.begin)
+    [self.begin, other.begin].max..[self.max, other.max].min
+  end
+  alias_method :&, :intersection
+end
-- 
cgit v1.2.3