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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.
Fixed
Duplicate issue below
You have an incorrect Haskell version selected.
Save your solution, reset the trainer and select
GHC 8.x
.Thanks. :]
Have fun and keep at it!