lib/hamster/experimental/mutable_set.rb in hamster-1.0.1.pre.rc3 vs lib/hamster/experimental/mutable_set.rb in hamster-2.0.0

@@ -1,21 +1,20 @@
-require "forwardable"
 require "hamster/set"
 require "hamster/read_copy_update"
 
 module Hamster
-  def self.mutable_set(*items)
-    MutableSet.new(set(*items))
-  end
-
+  # @api private
   class MutableSet
-    extend Forwardable
     include ReadCopyUpdate
 
+    def self.[](*items)
+      MutableSet.new(Set[*items])
+    end
+
     def add(item)
       transform { |set| set.add(item) }
     end
-    def_delegator :self, :add, :<<
+    alias :<< :add
 
     def add?(item)
       added = false
       transform do |set|
         added = !set.include?(item)