In C++11 3p3 it states:
An entity is a value, object, reference, function, enumerator, type, class member, template,
The standard iostream objects defined in 27.4.1 [iostreams.objects.overview] such as cin
, , cout
, cerr
and clog
(and their wide character cousins) would be examples of objects defined by the Standard Library.
Similarly, the std::ios_base::fmtflags
type defined in 27.5.3 [ios.base] has several constexpr
values defined (e.g. boolalpha
).