class RuboCop::Cop::Style::StructInheritance

def on_class(node)
  return unless struct_constructor?(node.parent_class)
  add_offense(node.parent_class) do |corrector|
    corrector.remove(range_with_surrounding_space(node.loc.keyword, newlines: false))
    corrector.replace(node.loc.operator, '=')
    correct_parent(node.parent_class, corrector)
  end
end