class TablePrint::Fingerprinter

def display_methods_to_nested_hash(display_methods)
  extended_hash = {}.extend TablePrint::HashExtensions::ConstructiveMerge
  # turn each column chain into a nested hash and add it to the output
  display_methods.inject(extended_hash) do |hash, display_method|
    hash.constructive_merge!(display_method_to_nested_hash(display_method))
  end
end