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
Some
andNone
variants forOption
are available in the global namespace, so it's best practice to just useSome
andNone
instead ofOption::Some
andOption::None
.This comment is hidden because it contains spoiler information about the solution