lib/backports/symbol.rb in backports-1.6.7 vs lib/backports/symbol.rb in backports-1.6.8

@@ -2,19 +2,36 @@
   # Standard in ruby 1.9. See official documentation[http://ruby-doc.org/core-1.9/classes/Symbol.html]
   def to_proc
     Proc.new { |*args| args.shift.__send__(self, *args) }
   end unless :to_proc.respond_to?(:to_proc)
   
-  [ [%w(<=> casecmp), {:before => "return nil unless args.first.is_a? Symbol" }],
-    [%w(capitalize downcase next succ swapcase upcase), {:after => ".to_s"}],
+  # Standard in ruby 1.9. See official documentation[http://ruby-doc.org/core-1.9/classes/Symbol.html]
+  [ [%w(capitalize downcase next succ swapcase upcase), {:after => ".to_sym"}],
     [%w(=~ [] empty? length match size), {}]
   ].each { |methods, options| methods.each do |method|
     module_eval <<-end_eval
       def #{method}(*args)
-        #{options[:before]}
         to_s.#{method}(*args)#{options[:after]}
       end unless method_defined? :#{method}
     end_eval
   end }
 
-  include Comparable unless ancestors.include? Comparable
+  # Standard in ruby 1.9. See official documentation[http://ruby-doc.org/core-1.9/classes/Symbol.html]
+  def <=>(with)
+    return nil unless with.is_a? Symbol
+    to_s <=> with.to_s
+  end unless method_defined? :"<=>"
+
+  # Standard in ruby 1.9. See official documentation[http://ruby-doc.org/core-1.9/classes/Symbol.html]
+  def casecmp(with)
+    return nil unless with.is_a? Symbol
+    to_s.casecmp(with.to_s)
+  end unless method_defined? :casecmp
+
+  # Standard in ruby 1.9. See official documentation[http://ruby-doc.org/core-1.9/classes/Symbol.html]
+  unless ancestors.include? Comparable
+    alias_method :dont_override_equal_please, :==
+    include Comparable
+    alias_method :==,  :dont_override_equal_please
+  end
+    
 end