forked from boostorg/unordered
Revert "Rename iterator typedef to n_iterator." and "Combine some of the headers." This reverts commits:2f6b81d8c1ande1b39bbbfb.
Revert "Rename iterator typedef to n_iterator." and "Combine some of the headers." This reverts commits:2f6b81d8c1ande1b39bbbfb.