[libcxx-commits] [PATCH] D99863: [libcxx] adds `iter_difference_t` and `iter_value_t`

[Michael Schellenberger Costa via Phabricator via libcxx-commits]

miscco added inline comments.


================
Comment at: libcxx/include/iterator:492
+requires __is_primary_template<iterator_traits<_Ip>>::value &&
+         (__has_member_difference_type<_Ip> || __has_integral_minus<_Ip>)
+struct __extract_iter_difference_t<_Ip> {
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miscco wrote:
> The `__has_integral_minus` Is not obvious should have add a comment?
Please disregard, read the other patch


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99863/new/

https://reviews.llvm.org/D99863