Union cpp

union S
{
    std::string str;
    std::vector<int> vec;
    ~S() {} // needs to know which member is active, only possible in union-like class 
};          // the whole union occupies max(sizeof(string), sizeof(vector<int>))

Source: en.cppreference.com

Similar codes

0 vote97 views1 answer
Arduino jumper programmieren
C++
7 votes110 views2 answers
C++ threads
C++
2 votes143 views1 answer
Getch c++ library
C++
-1 vote97 views5 answers
C++ string split
C++
1 vote93 views1 answer
Terminal compile c++
C++
5 votes112 views1 answer
Singleton c++
C++
0 vote121 views1 answer
C++ dll exports
C++
1 vote90 views1 answer
How to traverse a linked list in c++
C++
2 votes114 views1 answer
Null c++
C++
2 votes113 views2 answers
Sieve of eratosthenes c++
C++