fork download

copy

#include <iostream>
 
class X {
public:
    X() {
        std::cout << "X constructor called\n";
    }
 
    X(const X &other) = delete;
 
    ~X() {
        std::cout << "X destructor called\n";
    }
};
 
 
X create_x() {
    X x;
    return x;
}
 
int main() {
    auto x = create_x();
    return 0;
}

prog.cpp: In function 'X create_x()':
prog.cpp:19:12: error: use of deleted function 'X::X(const X&)'
     return x;
            ^
prog.cpp:9:5: note: declared here
     X(const X &other) = delete;
     ^
prog.cpp: In function 'int main()':
prog.cpp:23:23: error: use of deleted function 'X::X(const X&)'
     auto x = create_x();
                       ^
prog.cpp:9:5: note: declared here
     X(const X &other) = delete;
     ^

Standard output is empty