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juliandunn/monkeypatch-nil.rb

Created June 11, 2014 19:44
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Monkeypatching NilClass to clarify what the heck is meant by "NoMethodError: undefined method `[]' for nil:NilClass"
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monkeypatch-nil.rb
class NilClass
def []
raise "What the hell, dawg, you can't access an element of nil"
end
def [](a)
raise "What the hell, dawg, you can't access element #{a} of nil"
end
end
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