Loading collection data...
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.
I feel like this kinda defeats the point of the challenge
It is a builtin XOR operator
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The method will still return false. The only way to reach the else clause is if both arrays are not nil.
too hard in ruby =(
Just ruby magic)
What about if both are nil?