hyoshida

def associations_for_includes(recursive: true, except: nil, _breadcrumb: [])
  _breadcrumb << self.class_name

  self.reflect_on_all_associations.map do |association_reflection|
    association_name = association_reflection.name
    class_name = association_reflection.class_name
    next if _breadcrumb.include?(class_name)
    next if association_reflection.options.has_key?(:polymorphic)

    case except

hyoshida

class Maybe < BasicObject
  UNPROXIED_METHODS = %i(__send__ __id__ send object_id extend instance_eval initialize block_given? raise caller method)

  delegate *(::NilClass.instance_methods - UNPROXIED_METHODS), to: :@just

  def initialize(obj)
    @just = obj
  end

  # for debug