std::messages<CharT>:: ~messages

Destructs a std:: messages facet. This destructor is protected and virtual (due to base class destructor being virtual). An object of type std:: messages , like most facets, can only be destroyed when the last std::locale object that implements this facet goes out of scope or if a user-defined class is derived from std:: messages and implements a public destructor.

Example

#include <iostream>
#include <locale>
 
struct Destructible_messages : public std::messages<wchar_t>
{
    Destructible_messages(std::size_t refs = 0) : messages(refs) {}
    // note: the implicit destructor is public
};
 
int main()
{
    Destructible_messages dc;
    // std::messages<wchar_t> c; // compile error: protected destructor
}