public member function
<memory>
element_type* operator->() const noexcept;
Dereference object member
Returns a pointer to the object pointed by the stored pointer in order to access one of its members.
This member function shall not be called if the stored pointer is a null pointer.
It returns the same value as get(). See shared_ptr::get for more details.
Return value
A pointer to the object managed by the shared_ptr.
element_type is a member type, defined as an alias of shared_ptr's template parameter.
Example
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// shared_ptr::operator->
#include <iostream>
#include <memory>
struct C { int a; int b; };
int main () {
std::shared_ptr<C> foo;
std::shared_ptr<C> bar (new C);
foo = bar;
foo->a = 10;
bar->b = 20;
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: