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shinokada/array_reverse.rb

Created June 26, 2014 12:48
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array_reverse.rb
r = 10..1
p (r.first).downto(r.last).to_a
# [10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
p (1..10).reverse_each.to_a
# [10, 9, 8, 7, 6, 5, 4, 3, 2, 1]
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