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Ruby | Enumerable sum() function

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  • Last Updated : 05 Dec, 2019

The sum() of enumerable is an inbuilt method in Ruby returns the sum of all the elements in the enumerable. If a block is given, the block is applied to the enumerable, then the sum is computed. If the enumerable is empty, it returns init.

Syntax: enu.sum { |obj| block }

Parameters: The function accepts a block.

Return Value: It returns the sum of the enumerable.

Example #1:

# Initialize 
enu = (1..5)
# Prints 



Example #2:

# Ruby program for sum method in Enumerable
# Initialize 
enu = [10, 13, 12, 11]
# Prints 
enu.sum {|obj| obj * 5}


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