option.rb in option-0.1.0

- old
+ new

@@ -34,11 +34,11 @@
 
   def or_nil
     get
   end
 
-  def defined?
+  def present?
     true
   end
 
   def empty?
     false
@@ -85,10 +85,10 @@
 
   def or_nil
     nil
   end
 
-  def defined?
+  def present?
     false
   end
 
   def empty?
     true