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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.
Should be fixed.
The problem went away by importing the
System
libraryThe F# environment seems to be currently broken, my solution passes all tests and actually uses int64 (it's the default in the boiler plate), but when submitting I get this error: