Object#null?

Adds NilClass#null? #=> true and Object#null? #=> false

Useful for implementing custom null objects that also return true for #null?

Setup

Add to your Gemfile:

gem 'null_question'

Usage

class NullObject
  def null?
      true
  end
end

nil.null? #=> true
NullObject.new.null? #=> true
Object.new.null? #=> false

J-_-L

Copyright (C) 2015 Jan Lelis http://janlelis.com. Released under the MIT license.