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.
The Ruby version's description doesn't quite match the tests. The description shows
add(1)(2), but this is a Ruby syntax error. Instead, the tests haveadd(1).(2), which is valid Ruby.