quasi-inherited hashes

Gemfile

# A sample Gemfile
source "https://rubygems.org"

gem "pry"

main.rb

require 'rubygems'
require 'bundler/setup'

Bundler.require(:default)

class MyClass
  def self.params args = {}
    @params = (@params or {}).merge args
    super_params = {}
    if superclass.respond_to?(:params)
      super_params = superclass.params
    end

    super_params.merge @params
  end

  def params
    self.class.params
  end
end

class MyNewClass < MyClass; end

binding.pry