protected virtual member function
<locale>

std::codecvt::do_out

result do_out (state_type& state, 
  const intern_type* from, const intern_type* from_end, const intern_type*& from_next,
        extern_type* to, extern_type* to_limit, extern_type*& to_next) const;
Translate out characters [virtual]
Virtual protected member function called by codecvt::out to convert sequences out.

Polymorphic derived classes can overwrite the behavior of this function.

See codecvt::out for its default behavior in codecvt.

See also

codecvt::out
Translate out characters (public member function )

C++