Class: Weak::UndefinedClass

Inherits:

Object

• Object
• Weak::UndefinedClass

Includes:

Singleton

Defined in:

lib/weak.rb

Overview

A class for the UNDEFINED object. Being a singleton, there will only be exactly one object of this class: the UNDEFINED object.

Instance Method Summary

• #initialize ⇒ UndefinedClass constructor

  A new instance of UndefinedClass.

• #to_s ⇒ String (also: #inspect)

  The string ‘“UNDEFINED”`.

Constructor Details

#initialize ⇒ UndefinedClass

Returns a new instance of UndefinedClass.

# File 'lib/weak.rb', line 29

def initialize
  freeze
end

Instance Method Details

#to_s ⇒ String Also known as: inspect

Returns the string ‘“UNDEFINED”`.

Returns:

• (String) —

  the string ‘“UNDEFINED”`

# File 'lib/weak.rb', line 34

def to_s
  "UNDEFINED"
end