class RuboCop::Cop::Style::SymbolProc

def on_block(node)
  block_send_or_super, block_args, block_body = *node
  if super?(block_send_or_super)
    bmethod_name = :super
  else
    _breceiver, bmethod_name, _bargs = *block_send_or_super
  end
  # TODO: Rails-specific handling that we should probably make
  # configurable - https://github.com/bbatsov/rubocop/issues/1485
  # we should ignore lambdas & procs
  return if block_send_or_super == PROC_NODE
  return if [:lambda, :proc].include?(bmethod_name)
  return if ignored_method?(bmethod_name)
  return unless can_shorten?(block_args, block_body)
  _receiver, method_name, _args = *block_body
  sb = node.source_range.source_buffer
  block_start = node.loc.begin.begin_pos
  block_end = node.loc.end.end_pos
  range = Parser::Source::Range.new(sb, block_start, block_end)
  add_offense(node,
              range,
              format(MSG,
                     method_name,
                     bmethod_name))
end