On Thu, 20 Nov 2025 at 17:51, Yuao Ma <[email protected]> wrote: > > Hi all, > > This patch implements P3044R2 by adding a subview function for string > and string_view. The implementation delegates directly to substr. > Tested on x86_64-linux.
The new basic_string::subview member needs to be added to include/bits/cow_string.h as well, or the new tests need to be disabled for the old COW std::string ABI.
