6 kyu
Simple Memoization
168moonfly
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Fundamentals
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Thank you for the feedback. The test cases were actually already checking for the case of nil. I've added false to the list of possible values to check. When you run the acceptance tests, you see what memoized values they are checking - nil and false should be there, you can verify yourself.
Test cases please
Added. Thank you.
Some more tags would be useful. Fun kata :)
For some reason, I can't add more tags. May be I'm doing something wrong, but the tags I set in the description don't show up eventually for the kata.
Wanting to have more tags is really no issue!
couldn't remeber that you had to use the .call method to invoke the block
:) Good. That means, this excercise was not entirely useless. :)