FromHashable

FromHashable.rb

module FromHashable
  def initialize hash
    @hash = hash

    set_ivars
    set_methods
    set_as_hash
  end

  private

  def set_ivars
    @hash.each do |k, v|
      instance_variable_set :"@#{k}", v
    end
  end

  def set_methods
    @hash.each { |k, v| define_singleton_method k.to_sym, ->{ v } }
  end

  def set_as_hash
    define_singleton_method :as_hash, ->{ @hash }
  end
end