sloppy.rb

class SloppyHash
  def [](k)
    memory[k] ||= SloppyHash.new
  end

  def []=(k,v)
    memory[k] = v
  end


  private

  def memory
    @memory ||= {}
  end
end


h = SloppyHash.new
h[:a][:b][:c] = "hello"
p h[:a][:b][:c]