From 38dbbea36f7c8a57663799f80bd6fbf92552224c Mon Sep 17 00:00:00 2001
From: tadf <tadf@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 18 Oct 2009 13:38:55 +0000
Subject: 	* lib/date.rb: do not require lib/delta.rb.

	* lib/date/delta.rb: follows the above change.



git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@25393 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/date/delta.rb | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'lib/date')

diff --git a/lib/date/delta.rb b/lib/date/delta.rb
index 283faf6ac..eacfdefc6 100644
--- a/lib/date/delta.rb
+++ b/lib/date/delta.rb
@@ -1,5 +1,6 @@
 # delta.rb: Written by Tadayoshi Funaba 2004-2009
 
+require 'date'
 require 'date/delta/parser'
 
 class Date
@@ -398,3 +399,33 @@ class Date
   end
 
 end
+
+vsave = $VERBOSE
+$VERBOSE = false
+
+class Date
+
+  def + (n)
+    case n
+    when Numeric; return self.class.new!(@ajd + n, @of, @sg)
+    when Delta
+      d = n.__send__(:delta)
+      return (self >> d.imag) + d.real
+    end
+    raise TypeError, 'expected numeric'
+  end
+
+  def - (x)
+    case x
+    when Numeric; return self.class.new!(@ajd - x, @of, @sg)
+    when Date;    return @ajd - x.ajd
+    when Delta
+      d = x.__send__(:delta)
+      return (self << d.imag) - d.real
+    end
+    raise TypeError, 'expected numeric'
+  end
+
+end
+
+$VERBOSE = vsave
-- 
cgit