class RuboCop::Cop::Style::StructInheritance

end
end
42
def age
Person = Struct.new(:first_name, :last_name) do
# good
end
end
42
def age
class Person < Struct.new(:first_name, :last_name)
# bad
@example
This cop checks for inheritance from Struct.new.

def correct_parent(parent, corrector) 

def correct_parent(parent, corrector)
  if parent.block_type?
    corrector.remove(range_with_surrounding_space(range: parent.loc.end, newlines: false))
  elsif (class_node = parent.parent).body.nil?
    corrector.remove(range_by_whole_lines(class_node.loc.end, include_final_newline: true))
  else
    corrector.insert_after(parent.loc.expression, ' do')
  end
end

def on_class(node) 

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