require 'memo_wise'

module ModuleMethods
  prepend MemoWise

  def a_module_method
    self.class.name
  end
  memo_wise :a_module_method
end

# Works to call ClassWithoutInitializer.new.a_module_method
class ClassWithoutInitializer
  include ModuleMethods
end

# Does not work to call ClassWithInitializer.new("thing").a_module_method
class ClassWithInitializer
  include ModuleMethods

  def initialize(name)
    @name = name
  end
end

# Works
puts ClassWithoutInitializer.new.a_module_method

# Does not Work
# memo_wise-1.7.0/lib/memo_wise.rb:183:in `a_module_method': undefined method `fetch' for nil:NilClass (NoMethodError)
puts ClassWithInitializer.new("name").a_module_method