class RuboCop::Cop::Metrics::Utils::AbcSizeCalculator

def compound_assignment(node)
  # Methods setter can not be detected for multiple assignments
  # and shorthand assigns, so we'll count them here instead
  children = node.masgn_type? ? node.children[0].children : node.children
  will_be_miscounted = children.count do |child|
    child.respond_to?(:setter_method?) &&
      !child.setter_method?
  end
  @assignment += will_be_miscounted
  false
end