std::unique_ptr<T,Deleter>::get
pointer get() const noexcept; |
(since C++11) (constexpr since C++23) |
Returns a pointer to the managed object or nullptr if no object is owned.
Parameters
(none).
Return value
Pointer to the managed object or nullptr if no object is owned.
Example
#include <iomanip>
#include <iostream>
#include <memory>
#include <string>
#include <utility>
class Res {
std::string s;
public:
Res(std::string arg) : s{ std::move(arg) } {
std::cout << "Res::Res(" << std::quoted(s) << ");\n";
}
~Res() {
std::cout << "Res::~Res();\n";
}
private:
friend std::ostream& operator<< (std::ostream& os, Res const& r) {
return os << "Res { s = " << quoted(r.s) << "; }";
}
};
int main()
{
std::unique_ptr<Res> up(new Res{"Hello, world!"});
Res *res = up.get();
std::cout << *res << '\n';
}
Output:
Res::Res("Hello, world!");
Res { s = "Hello, world!"; }
Res::~Res();
See also
| returns a pointer to the managed object and releases the ownership (public member function) |
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