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airyboy/one_liners.rb

Last active September 24, 2015 20:50
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Ruby one-liners
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one_liners.rb
#Sum a list of numbers:
(1..1000).inject { |sum, n| sum + n }
#Sum a list of numbers:
(1..1000).inject(&:+)
#Sum a list of numbers:
(1..1000).inject(:+)
#Filter a list of numbers:
[49, 58, 76, 82, 88, 90].partition { |n| n > 60 }
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