class RuboCop::Cop::Style::WhileUntilDo

def autocorrect(node)
  condition_node, = *node
  end_of_condition_range = condition_node.source_range.end
  do_range = node.loc.begin
  whitespaces_and_do_range = end_of_condition_range.join(do_range)
  ->(corrector) { corrector.remove(whitespaces_and_do_range) }
end