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.
OK thanks that makes sense now.
Hi, what does this incomplete sentence mean?
"(Only one element at each edge, even if there are more than one with the same value!)"
What does the => do? Google isn't helping for some reason.