std::unique_ptr<T,Deleter>:: get

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C++
Utilities library
General utilities
Relational operators (deprecated in C++20)
Dynamic memory management
Uninitialized memory algorithms
Constrained uninitialized memory algorithms
Allocators
Garbage collection support
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)
(C++11) (until C++23)



std::unique_ptr
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

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