public member function
<memory>
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.
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; }
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Output: