
Resolves Issue #69083 The `_CopySegment` helper for `ranges::copy(join_view, out)` is not `constexpr` causing rejection in `libc++` in a static assertion context as in the issue snippet.
Resolves Issue #69083 The `_CopySegment` helper for `ranges::copy(join_view, out)` is not `constexpr` causing rejection in `libc++` in a static assertion context as in the issue snippet.