Port combinations() from Python
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ramhiser commented
Port combinations() from Python
ramhiser commented
The Python implementation of itertools.combinations relies on itertools.permutations, which allows permutations to be limited to length r. Currently, itertools2::ipermutations generates full-length permutations. I added an argument in the commit above to limit the permutations, but it is not fully implemented yet. Afterwards, itertools2::icombinations should be good to go.