class RuboCop::Cop::Layout::SpaceAroundEqualsInParameterDefault

def check_optarg(arg, equals, value)
  space_on_both_sides = space_on_both_sides?(arg, equals)
  no_surrounding_space = no_surrounding_space?(arg, equals)
  if style == :space && space_on_both_sides ||
     style == :no_space && no_surrounding_space
    correct_style_detected
  else
    incorrect_style_detected(arg, value, space_on_both_sides,
                             no_surrounding_space)
  end
end