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mediter/ruby-array-sum.rb

Created October 19, 2018 02:39
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[Ruby Array Sum] #ruby #iterator #sum
Raw
ruby-array-sum.rb
# you can call #sum iterator on it:
numbers = [1, 2, 3, 4, 5]
numbers.sum
# => 15
# N.B: In Ruby versions < 2.4, sum didn't exist. The idiomatic way to get the same result was with #reduce:
numbers.reduce(:+)
# => 15
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