From 1de4203c5150088bd795d04e0f6fc4dd75ac00f3 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 23 Apr 2003 06:31:29 +0000
Subject: * lib/cgi.rb (CGI::QueryExtension::[]): always return Value   object.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@3717 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/cgi.rb       | 4 +++-
 lib/complex.rb   | 4 ++--
 lib/singleton.rb | 2 +-
 3 files changed, 6 insertions(+), 4 deletions(-)

(limited to 'lib')

diff --git a/lib/cgi.rb b/lib/cgi.rb
index 7dffdd9a33..dfeea5fc47 100644
--- a/lib/cgi.rb
+++ b/lib/cgi.rb
@@ -957,7 +957,9 @@ END
     end
 
     def [](key)
-      Value.new(@params[key][0])
+      value = @params[key][0]
+      value ||= ""
+      Value.new(value)
     end
 
     def keys(*args)
diff --git a/lib/complex.rb b/lib/complex.rb
index dda2ad2006..90916d125e 100644
--- a/lib/complex.rb
+++ b/lib/complex.rb
@@ -13,7 +13,6 @@
 #
 # Complex numbers can be created in the following manner:
 # - <tt>Complex(a, b)</tt>
-# - <tt>Complex.new(a, b)</tt>
 # - <tt>Complex.polar(radius, theta)</tt>
 #   
 # Additionally, note the following:
@@ -66,7 +65,8 @@ class Complex < Numeric
   def Complex.polar(r, theta)
     Complex(r*Math.cos(theta), r*Math.sin(theta))
   end
-  
+
+  private_class_method :new
   #
   # Creates a +Complex+ number <tt>a</tt>+<tt>b</tt><i>i</i>.
   #
diff --git a/lib/singleton.rb b/lib/singleton.rb
index 147b04187c..939159496b 100644
--- a/lib/singleton.rb
+++ b/lib/singleton.rb
@@ -142,7 +142,7 @@ module Singleton
                 @__instance__ = new
             ensure
                 if @__instance__
-                    def self.instance() @__instance__ end
+		    define_method(:instance) {@__instance__}
                 else
                     @__instance__ = nil #  failed instance creation
                 end
-- 
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