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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.
d'oh... oh that silly trival reader monad. :)
thx!
should a Senior really have a handicap "worse" than 8 ? that is, if he becomes better, he won't be a Senior anymore?
yes-ish... it is not about "a double or a non-double" but about "just one double or nothing".
a
Maybe Doublediffers from aDouble.a
Maybe ais like a list ofas with at most one element.let me hoogle that for you... https://www.haskell.org/hoogle/?hoogle=Maybe