Awesome! I was one step away from your cleaner code!

he's me
literally me

same

Nice one!

init sum to zero

great solution

Nice and clean code.

wow thanks for this explanation and writing out each of the calls now i understand it. I couldn't see where the sum callback was being used.

I have spent to solve this kata around 14 minutes (
After seing this solution, it is just SUPER! No words 👍

wow how can you come with this solution, it's amazing

The moment when I really appreciate arrow function's syntax

Because it's the initial value of the "sum" variable

It's amazing!

I am so disappointed in myself right now.

Excellent solution