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.
This does not sound right. When I try to run your solution, I get this message:
Your code has a small bug.
The comment in the initial setup says:
// The result should be [...] correctly null-terminated.
and your code is not doing this.