lib/hamster/tuple.rb in hamster-0.2.13 vs lib/hamster/tuple.rb in hamster-0.3.0

@@ -1,13 +1,17 @@
 require 'forwardable'
 
+require 'hamster/immutable'
+
 module Hamster
 
   class Tuple
 
     extend Forwardable
 
+    include Immutable
+
     def initialize(*items)
       @items = items.freeze
     end
 
     def first
@@ -22,14 +26,9 @@
       return true if other.equal?(self)
       return false unless other.class.equal?(self.class)
       @items.eql?(other.instance_eval{@items})
     end
     def_delegator :self, :eql?, :==
-
-    def dup
-      self
-    end
-    def_delegator :self, :dup, :clone
 
     def to_ary
       @items
     end