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std::messages<CharT>::~messages

From cppreference.com
< cpp‎ | locale‎ | messages
 
 
 
Localization library
 
 
Defined in header <locale>
protected: ~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.

[edit] Example

Run this code
#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
}
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