[libcxx-commits] [PATCH] D117940: [libc++] [ranges] Implement std::ranges::distance

[Arthur O'Dwyer via Phabricator via libcxx-commits]

Quuxplusone updated this revision to Diff 403448.
Quuxplusone marked 7 inline comments as done.
Quuxplusone edited the summary of this revision.
Quuxplusone added a comment.

Add two stride-counting tests. (I made my own type rather than use `stride_counting_iterator`, because (1) it seemed easier, and (2) I need something that holds a pointer `*inc_` rather than incrementing a count stored inside the iterator itself. Seems like `stride_counting_iterator` was written specifically for `ranges::advance` and nothing else, because it assumes the iterator will never be copied.)
Add `ASSERT_SAME_TYPE` tests.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D117940/new/

https://reviews.llvm.org/D117940

Files:
  libcxx/docs/Status/Cxx2bIssues.csv
  libcxx/docs/Status/RangesPaper.csv
  libcxx/include/__iterator/distance.h
  libcxx/test/std/iterators/iterator.primitives/range.iter.ops/range.iter.ops.distance/iterator_sentinel.pass.cpp
  libcxx/test/std/iterators/iterator.primitives/range.iter.ops/range.iter.ops.distance/lwg3664.pass.cpp
  libcxx/test/std/iterators/iterator.primitives/range.iter.ops/range.iter.ops.distance/range.pass.cpp
  libcxx/test/std/library/description/conventions/customization.point.object/niebloid.compile.pass.cpp

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