On 26/08/20 16:44 -0400, Patrick Palka via Libstdc++ wrote:
Almost all of the proposed resolution for LWG 3448 is already
implemented; the only part left is to adjust the return type of
transform_view::sentinel::operator-.
libstdc++-v3/ChangeLog:
LWG 3448
PR libstdc++/95322
* include/std/ranges (transform_view::__distance_from): Give
this a deduced return type.
(transform_view::sentinel::operator-): Adjust the return type so
that it's based on the constness of the iterator rather than
that of the sentinel.
* testsuite/std/ranges/adaptors/95322.cc: Refer to LWG 3488.
Also OK, thanks for fixing these.