XMAN Replicator

Name	Size	Rights	Date	Actions
[.]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
[..]	<DIR>	drwxr-xr-x	2024-03-03 22:35	🔄 🗑️ 🗑️📁 ⬇️ 🔒
English.rb	6,258 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
abbrev.rb	3,529 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
base64.rb	3,435 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[benchmark]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
benchmark.rb	18,842 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[bigdecimal]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
bigdecimal.rb	24 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[cgi]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
cgi.rb	10,070 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
coverage.rb	368 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[csv]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
csv.rb	94,690 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
date.rb	1,193 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
delegate.rb	11,956 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[did_you_mean]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
did_you_mean.rb	5,440 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[digest]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
digest.rb	3,381 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[drb]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
drb.rb	50 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[erb]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
erb.rb	14,917 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[error_highlight]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
error_highlight.rb	84 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
expect.rb	2,244 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[fiddle]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
fiddle.rb	2,952 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
fileutils.rb	80,913 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
find.rb	2,556 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[forwardable]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
forwardable.rb	9,245 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
getoptlong.rb	20,749 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[io]	<DIR>	drwxr-xr-x	2026-04-07 14:12	🔄 🗑️ 🗑️📁 ⬇️ 🔒
ipaddr.rb	21,091 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[json]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
json.rb	19,757 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
kconv.rb	5,861 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[logger]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
logger.rb	22,472 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
mkmf.rb	90,523 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
monitor.rb	6,920 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
mutex_m.rb	2,383 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[net]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
[objspace]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
objspace.rb	4,778 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
observer.rb	6,532 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
open-uri.rb	26,130 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[open3]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
open3.rb	22,640 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[openssl]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
openssl.rb	1,052 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
optionparser.rb	59 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[optparse]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
optparse.rb	62,527 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
ostruct.rb	14,217 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
pathname.rb	17,234 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
pp.rb	17,635 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
prettyprint.rb	16,281 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
pstore.rb	21,011 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[psych]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
psych.rb	25,208 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[racc]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
racc.rb	137 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[random]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
readline.rb	189 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[reline]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
reline.rb	18,172 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
resolv-replace.rb	1,805 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
resolv.rb	76,137 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[rinda]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
[ripper]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
ripper.rb	2,494 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[ruby_vm]	<DIR>	drwxr-xr-x	2024-03-03 22:35	🔄 🗑️ 🗑️📁 ⬇️ 🔒
securerandom.rb	2,162 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[set]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
set.rb	25,920 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
shellwords.rb	7,259 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
singleton.rb	4,178 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
socket.rb	44,774 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[syntax_suggest]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
syntax_suggest.rb	74 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[syslog]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
tempfile.rb	14,170 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
time.rb	24,287 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
timeout.rb	5,968 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
tmpdir.rb	4,812 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
tsort.rb	14,607 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
un.rb	11,439 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[unicode_normalize]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
[uri]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
uri.rb	3,131 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[vendor_ruby]	<DIR>	drwxr-xr-x	2026-04-07 14:12	🔄 🗑️ 🗑️📁 ⬇️ 🔒
weakref.rb	1,388 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒
[yaml]	<DIR>	drwxr-xr-x	2026-04-30 05:08	🔄 🗑️ 🗑️📁 ⬇️ 🔒
yaml.rb	2,157 B	-rw-r--r--	2026-04-07 14:12	✏️ 🔄 🗑️ ⬇️ 🔒

Edit: singleton.rb

# frozen_string_literal: false

# The Singleton module implements the Singleton pattern.
#
# == Usage
#
# To use Singleton, include the module in your class.
#
#    class Klass
#       include Singleton
#       # ...
#    end
#
# This ensures that only one instance of Klass can be created.
#
#      a,b = Klass.instance, Klass.instance
#
#      a == b
#      # => true
#
#      Klass.new
#      # => NoMethodError - new is private ...
#
# The instance is created at upon the first call of Klass.instance().
#
#      class OtherKlass
#        include Singleton
#        # ...
#      end
#
#      ObjectSpace.each_object(OtherKlass){}
#      # => 0
#
#      OtherKlass.instance
#      ObjectSpace.each_object(OtherKlass){}
#      # => 1
#
#
# This behavior is preserved under inheritance and cloning.
#
# == Implementation
#
# This above is achieved by:
#
# *  Making Klass.new and Klass.allocate private.
#
# *  Overriding Klass.inherited(sub_klass) and Klass.clone() to ensure that the
#    Singleton properties are kept when inherited and cloned.
#
# *  Providing the Klass.instance() method that returns the same object each
#    time it is called.
#
# *  Overriding Klass._load(str) to call Klass.instance().
#
# *  Overriding Klass#clone and Klass#dup to raise TypeErrors to prevent
#    cloning or duping.
#
# == Singleton and Marshal
#
# By default Singleton's #_dump(depth) returns the empty string. Marshalling by
# default will strip state information, e.g. instance variables from the instance.
# Classes using Singleton can provide custom _load(str) and _dump(depth) methods
# to retain some of the previous state of the instance.
#
#    require 'singleton'
#
#    class Example
#      include Singleton
#      attr_accessor :keep, :strip
#      def _dump(depth)
#        # this strips the @strip information from the instance
#        Marshal.dump(@keep, depth)
#      end
#
#      def self._load(str)
#        instance.keep = Marshal.load(str)
#        instance
#      end
#    end
#
#    a = Example.instance
#    a.keep = "keep this"
#    a.strip = "get rid of this"
#
#    stored_state = Marshal.dump(a)
#
#    a.keep = nil
#    a.strip = nil
#    b = Marshal.load(stored_state)
#    p a == b  #  => true
#    p a.keep  #  => "keep this"
#    p a.strip #  => nil
#
module Singleton
  VERSION = "0.1.1"

# Raises a TypeError to prevent cloning.
  def clone
    raise TypeError, "can't clone instance of singleton #{self.class}"
  end

# Raises a TypeError to prevent duping.
  def dup
    raise TypeError, "can't dup instance of singleton #{self.class}"
  end

# By default, do not retain any state when marshalling.
  def _dump(depth = -1)
    ''
  end

module SingletonClassMethods # :nodoc:

def clone # :nodoc:
      Singleton.__init__(super)
    end

# By default calls instance(). Override to retain singleton state.
    def _load(str)
      instance
    end

def instance # :nodoc:
      return @singleton__instance__ if @singleton__instance__
      @singleton__mutex__.synchronize {
        return @singleton__instance__ if @singleton__instance__
        @singleton__instance__ = new()
      }
      @singleton__instance__
    end

private

def inherited(sub_klass)
      super
      Singleton.__init__(sub_klass)
    end
  end

class << Singleton # :nodoc:
    def __init__(klass) # :nodoc:
      klass.instance_eval {
        @singleton__instance__ = nil
        @singleton__mutex__ = Thread::Mutex.new
      }
      klass
    end

private

# extending an object with Singleton is a bad idea
    undef_method :extend_object

def append_features(mod)
      #  help out people counting on transitive mixins
      unless mod.instance_of?(Class)
        raise TypeError, "Inclusion of the OO-Singleton module in module #{mod}"
      end
      super
    end

def included(klass)
      super
      klass.private_class_method :new, :allocate
      klass.extend SingletonClassMethods
      Singleton.__init__(klass)
    end
  end

##
  # :singleton-method: _load
  #  By default calls instance(). Override to retain singleton state.

##
  # :singleton-method: instance
  #  Returns the singleton instance.
end

🛸 XMAN Replicator

Edit: singleton.rb

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