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ifukazoo/gist:5309835

Created April 4, 2013 12:05
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RangeからArrayを作る
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gistfile1.rb
irb(main):003:0> 10.times.map{|f| f.to_s}
=> ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9"]
irb(main):004:0> 2.upto(10).map{|f| f.to_s}
=> ["2", "3", "4", "5", "6", "7", "8", "9", "10"]
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