Sum of Numbers

Using .inject(:+)

[18] pry(main)> nums

=> [1, 2, 3, 4, 5]

[19] pry(main)> nums.inject(:+)

=> 15

Using .sum

[20] pry(main)> nums

=> [1, 2, 3, 4, 5]

[21] pry(main)> nums.sum

=> 15

Check

• Reduce and Inject (Aliases)