array.rb in persistent-dmnd-3.0.0

- old
+ new

@@ -1,8 +1,5 @@
-# encoding: UTF-8
-# typed: false
-
 # Persistent-💎: Ruby gem for easily creating immutable data structures
 # Copyright (c) 2017-2021 Ivo Anjo <ivo@ivoanjo.me>
 #
 # This file is part of Persistent-💎.
 #
@@ -31,19 +28,17 @@
 # frozen_string_literal: true
 
 require "persistent_dmnd/self_conversion"
 require "persistent_dmnd/is_persistent"
 require "persistent_dmnd/concurrent_ruby_support"
-require "persistent_dmnd/jruby_workaround"
 
-require "hamster"
+require "immutable"
 require "set"
 
 module Persistent💎
-  class Array < Hamster::Vector
+  class Array < Immutable::Vector
     include SelfConversion
     include IsPersistent
-    include JRubyWorkaround
     include Persistent💎
 
     def self.[](*items)
       if items.empty?
         empty