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Object#null? [version] [ci]

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

Useful for implementing custom null objects that will 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 https://janlelis.com. Released under the MIT license.

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Adds the null? predicate to Ruby's nil

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