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Ruby | Enumerable sum() function

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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 
enu.sum

                    
Output:
15
Example #2:
# Ruby program for sum method in Enumerable
  
# Initialize 
enu = [10, 13, 12, 11]
  
# Prints 
enu.sum {|obj| obj * 5}

                    
Output:
230

Last Updated : 05 Dec, 2019
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