[libcxx-commits] [PATCH] D113161: [libc++] Implement P1989R2: range constructor for string_view

[Joe Loser via Phabricator via libcxx-commits]

jloser marked an inline comment as done.
jloser added inline comments.


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Comment at: libcxx/include/string_view:291
     template <contiguous_iterator _It, sized_sentinel_for<_It> _End>
-      requires (same_as<iter_value_t<_It>, _CharT> && !convertible_to<_End, size_type>)
+      requires (is_same_v<iter_value_t<_It>, _CharT> && !is_convertible_v<_End, size_type>)
     constexpr _LIBCPP_HIDE_FROM_ABI basic_string_view(_It __begin, _End __end)
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Quuxplusone wrote:
> :+1:
> I idly wonder if it's possible to make a (contrived) test case that regression-tests this. There's https://stackoverflow.com/a/62644127/1424877 but it works only for conversions to user-defined class types, not to `size_t`.
Right, it would be nice to test this. I'll think on it some the next few days. It may be addressed in a separate patch to decouple it from this one if I find a way.


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https://reviews.llvm.org/D113161