https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101258
--- Comment #7 from Christopher Yeleighton <giecrilj at stegny dot 2a.pl> --- (In reply to Jonathan Wakely from comment #5) > (In reply to Christopher Yeleighton from comment #3) > > It should at least be present on the API page. The standard is not for > > developers. > > cppreference.com is not the standard, it's a reference for developers. > > (In reply to Christopher Yeleighton from comment #4) > > What is self-explanatory in is_integral_v? > > If you don't know what the xxx_v variables in <type_traits> do, you should > get a good (modern) tutorial on C++. "Self-explanatory" implies that no tutorial is needed.