class Rufo::Formatter

def visit_comma_separated_list(nodes, inside_call = false)
  # When there's *x inside a left hand side assignment
  # or a case when, it comes as [:op, ...]
  if nodes[0].is_a?(Symbol)
    visit nodes
    return
  end
  needs_indent = false
  if inside_call
    if newline? || comment?
      needs_indent = true
      base_column  = next_indent
      consume_end_of_line
      write_indent(base_column)
    else
      base_column = @column
    end
  end
  nodes.each_with_index do |exp, i|
    maybe_indent(needs_indent, base_column) do
      if block_given?
        yield exp
      else
        visit exp
      end
    end
    skip_space
    unless last?(i, nodes)
      check :on_comma
      write ","
      next_token
      skip_space
      if newline? || comment?
        indent(base_column || @indent) do
          consume_end_of_line(false, false, false)
          write_indent
        end
      else
        write_space " "
        skip_space_or_newline
      end
    end
  end
end