Anonymous user
Sum and product of an array: Difference between revisions
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→{{header|Ruby}}: remove the versions that require a non-empty array
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m (→{{header|Ruby}}: remove the versions that require a non-empty array) |
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=={{header|Ruby}}==
<lang ruby> arr = [1,2,3,4,5] # or ary = *1..5, or ary = (1..5).to_a
sum = arr.inject(0) { |sum, item| sum + item }
# => 15
product = ary.inject(1) { |prod, element| prod * element }
# => 120</lang>
{{works with|Ruby|1.9}}
<lang ruby> arr = [1,2,3,4,5]
sum = arr.inject(0, :+)
# => 15
product = ary.inject(1, :*)
# => 120</lang>
=={{header|Scala}}==
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