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davidcelis/roobie.rb

Last active December 19, 2015 19:08
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Cool story, Enumerator
Raw
roobie.rb
2.0.0-p247> (1..10).to_enum
# => #<Enumerator: 1..10:each>
2.0.0-p247> (1..10).to_enum.size
# => nil
2.0.0-p247> (1..10).each
# => #<Enumerator: 1..10:each>
2.0.0-p247> (1..10).each.size
# => 10
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