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Given an integer array, return all of the possible sums you could get by picking any number of integers (or none of them) from the array and adding them together.

For example, given an integer array of {1,2,3} you could sum none of them and get 0, or just sum 1 or 2 or 3 individually, or do 1+2=3 or 1+3=4 or 2+3=5 or 1+2+3=6.

Do not include any duplicate possibilities in your answer.

logic_allPossibleSums([1]) → [0, 1]
logic_allPossibleSums([1, 2]) → [0, 1, 2, 3]
logic_allPossibleSums([1, 2, 3]) → [0, 1, 2, 3, 4, 5, 6]

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