NAME¶

std::unique_ptr::get - std::unique_ptr::get

Synopsis¶

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¶

// Run this code

#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 = " << std::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¶

release returns a pointer to the managed object and releases the ownership
(public member function)