lib/usable.rb in usable-3.6.0 vs lib/usable.rb in usable-3.6.1

@@ -10,13 +10,14 @@
   def self.extended_constants
     @extended_constants ||= Set.new
   end
 
   def self.freeze
+    super
     extended_constants.each { |const| const.usables.freeze }
     extended_constants.freeze
-    super
+    self
   end
 
   def self.extended(base)
     if base.is_a? Class
       # Define an instance level version of +usables+
@@ -40,15 +41,17 @@
             usables
           end
         end
       end
     end
-    extended_constants << base
+    extended_constants << base unless Usable.frozen?
   end
 
   def inherited(base)
-    base.usables += usables
-    Usable.extended_constants << base
+    unless Usable.frozen?
+      base.usables += usables
+      Usable.extended_constants << base
+    end
     super
   end
 
   def usables
     @usables ||= Config.new