Contents

# encoding: utf-8
class Object
  # Object#dup is shallow and therefore useless:
  #
  # a = { name: { first: 'Georgi' } }
  # dupl = a.dup
  #
  # #this also changes a when it shouldn't
  # dupl[:name][:first] = 'Dazen'
  #
  # a
  # => :name=>{:first=>"Dazen"}}
  #
  # deep_dup fixes this behavior
  def deep_dup
    Marshal.load(Marshal.dump(self))
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
inactive_support-1.3.0	lib/inactive_support/object/deep_dup.rb
inactive_support-1.2.0	lib/inactive_support/object/deep_dup.rb