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Yardboy/gist:05bb7f5044d7db2bbf5a

Created August 27, 2014 18:51
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Ruby any? and all? with an empty array as receiver.
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gistfile1.rb
2.0.0-p451 :001 > [].any? { |wtf| wtf.locked? }
=> false
2.0.0-p451 :002 > [].all? { |wtf| wtf.locked? }
=> true
@bkerley
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bkerley commented Aug 27, 2014

Enumerable#any? "Does at least one element of the collection fulfill the condition?"

Enumerable#all? "Do all the elements of the array fulfill the condition?"

With an empty collection, zero elements fulfill the condition. Which isn't at least one, but is all of them.

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