Passing a unique pointer to a function

pass_unique_ptr.cpp

#include <iostream>
#include <memory>

void setPtr (int *a)
{
    std::cout << *a << '\n';
}

int main(int argc, const char * argv[])
{
    std::unique_ptr<int> x(new int(1));
    setPtr(x.get());
    
    std::cout << *x << '\n';
    
    return EXIT_SUCCESS;
}