class Rufo::Formatter

def visit_regexp_literal(node)
  # [:regexp_literal, pieces, [:@regexp_end, "/", [1, 1]]]
  _, pieces = node
  check :on_regexp_beg
  write current_token_value
  next_token
  visit_exps pieces, with_lines: false
  check :on_regexp_end
  write current_token_value
  next_token
end