Ruby | Enumerable sum() function
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
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