public member function
<memory>

std::unique_ptr::operator->

pointer operator->() const noexcept;
Dereference object member
Returns a pointer to the managed object in order to access one of its members.

This member function is exclusive of the non-specialized version of unique_ptr (for single objects). The array specialization does not include it.

Parameters

none

Return value

A pointer to the object managed by the unique_ptr.
pointer is a member type, defined as the pointer type that points to the type of object managed.

Example

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// unique_ptr::operator->
#include <iostream>
#include <memory>

struct C { int a; int b; };

int main () {
  std::unique_ptr<C> foo (new C);
  std::unique_ptr<C> bar;

  foo->a = 10;
  foo->b = 20;

  bar = std::move(foo);

  if (foo) std::cout << "foo: " << foo->a << ' ' << foo->b << '\n';
  if (bar) std::cout << "bar: " << bar->a << ' ' << bar->b << '\n';

  return 0;
}


Output:

bar: 10 20

See also