module Bury

def add_bury_to_hash
  Hash.send(:define_method, :bury) do |*args|
    # arg 0 is key arg 1 is val
    if args.count < 2
      raise ArgumentError, %(2 or more arguments required)
    elsif args.count == 2
      self[args[0]] = args[1]
    # if we have more args bury the arg recursively
    else
      arg = args.shift
      self[arg] = {} unless self[arg]
      self[arg].bury(*args) unless args.empty?
    end
  end
end