Implement Ranges Set Operations #1044
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* `mergeable` concept * algorithms: `ranges::includes`, `ranges::set_union`, `ranges::set_intersection`, `ranges::set_difference`, and `ranges::set_symmetric_difference`.
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miscco
reviewed
Jul 14, 2020
miscco
reviewed
Jul 14, 2020
miscco
reviewed
Jul 14, 2020
| _Get_unwrapped(_STD move(_Last1)), _Get_unwrapped(_STD move(_First2)), | ||
| _Get_unwrapped(_STD move(_Last2)), _Get_unwrapped_unverified(_STD move(_Result)), _Pass_fn(_Pred), | ||
| _Pass_fn(_Proj1), _Pass_fn(_Proj2)); | ||
| _Seek_wrapped(_First1, _STD move(_UResult.in1)); |
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I am wondering whether this one would be helpful (If yes than it is future work. No change requested):
template<class _It1, class _It2, class _Out, class _UIt1, class _UIt2, class _UOut>
in_in_out_result<_It1, _It2, _Out> _Seek_wrapped(_It1& _In1, _It2& _In2, _UOut& _Out, in_in_out_result<_UIt1, _UIt2, _UOut>&& _UResult);Same for in_out_result and in_in_result which occur often enough that it makes sense
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Probably so. I think we should add a work item to scan through the unwrapping and rewrapping to find opportunities for simplification after/in conjunction with the pass to unwrap result iterators with _Get_unwrapped_n.
StephanTLavavej
requested changes
Jul 15, 2020
StephanTLavavej
approved these changes
Jul 15, 2020
mnatsuhara
approved these changes
Jul 27, 2020
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I'm having trouble coming up with a witty comment here... perhaps a limerick? What rhymes with |
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mergeableconceptalgorithms:
ranges::includes,ranges::set_union,ranges::set_intersection,ranges::set_difference, andranges::set_symmetric_difference.Partially addresses #39.