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keeran/gist:7740224

Created December 1, 2013 20:24
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>> i = a.each
=> #<Enumerator: [1, 2, 3]:each>
>> loop do
?> puts i.next
>> end
1
2
3
=> nil
>> i = a.each
=> #<Enumerator: [1, 2, 3]:each>
>> while true
>> puts i.next
>> end
1
2
3
StopIteration: iteration reached an end
from (irb):18:in `next'
from (irb):18
from /Users/keeran/.rvm/rubies/ruby-1.9.3-p448/bin/irb:12:in `<main>'
>>
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