Remove a new added method after calling : remove_method « Method « Ruby

1. Ruby
2. Method
3. remove_method

Remove a new added method after calling

class OneTimeContainer
  def initialize(value)
    @use_just_once_then_destroy = value
  end

  def get_value
    remove_instance_variable(:@use_just_once_then_destroy)
  end
end

object_1 = OneTimeContainer.new(6)
object_1.get_value
# => 6
object_1.get_value
# NameError: instance variable @use_just_once_then_destroy not defined

object_2 = OneTimeContainer.new('ephemeron')
object_2.get_value
# => "ephemeron"

 

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