NAME¶

std::unique_ptr::get_deleter - std::unique_ptr::get_deleter

Synopsis¶

Deleter& get_deleter() noexcept; (since C++11)
(constexpr since C++23)
const Deleter& get_deleter() const noexcept; (since C++11)
(constexpr since C++23)

Returns the deleter object which would be used for destruction of the managed
object.

Parameters¶

(none)

Return value¶

The stored deleter object.

Example¶

// Run this code

#include <iostream>
#include <memory>

struct Foo
{
Foo() { std::cout << "Foo...\n"; }
~Foo() { std::cout << "~Foo...\n"; }
};

struct D
{
void bar() { std::cout << "Call deleter D::bar()...\n"; }
void operator()(Foo* p) const
{
std::cout << "Call delete for Foo object...\n";
delete p;
}
};

int main()
{
std::unique_ptr<Foo, D> up(new Foo(), D());
D& del = up.get_deleter();
del.bar();
}

Output:¶

Foo...
Call deleter D::bar()...
Call delete for Foo object...
~Foo...

See also¶

get_deleter returns the deleter of specified type, if owned
(function template)