[Bug libstdc++/78486] feature request: std::iu16stringstream std::ou16stringstream, and utf8

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78486

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Severity|normal                      |enhancement

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
No they aren't part of the standard, but could be added as conforming
extensions. They'd need support from char_traits specializations and facets,
which is not just copy&paste.