Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Thanks for the comment :)
I know it could have been done with one iteration with reduce, but this way mapping and summing are not wired together. Easier to read and until it does not cause performance issues I prefer these kind of solutions.
I use this pattern to introduce separation of conserns to my students as well :)