774 B
774 B
[protection.within.classes]
16 Library introduction [library]
16.4 Library-wide requirements [requirements]
16.4.6 Conforming implementations [conforming]
16.4.6.12 Protection within classes [protection.within.classes]
It is unspecified whether any function signature or class described in[support] through [exec] and [depr] is a friend of another class in the C++ standard library.