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makimoto/gist:2862023

Created June 3, 2012 05:18
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gistfile1.rb
[1] pry(main)> a = (0...10).lazy.map{|m| puts 'sushi'; m }
=> #<Enumerator::Lazy: ...>
[2] pry(main)> a.force
sushi
sushi
sushi
sushi
sushi
sushi
sushi
sushi
sushi
sushi
=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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