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422 B
422 B
Array Diff
Your goal in this kata is to implement a difference function, which subtracts one list from another and returns the result.
It should remove all values from list a, which are present in list b keeping their order.
array_diff(vec![1,2], vec![1]) == vec![2]
If a value is present in b, all of its occurrences must be removed from the other:
array_diff(vec![1,2,2,2,3], vec![2]) == vec![1,3]