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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.
This paragraph should be removed:
There is nothing special about tiny spirals, not even for size == 1.
Sample test is for totally unrelated method.
A more elegant request would be to allow unlimited chaining of calculations. The result could be obtained by implementing
to_sandto_f. E.g.puts Calc.new.one.plus.two.times.three # 9.0