public member function
<memory>

std::weak_ptr::reset

void reset() noexcept;
Reset pointer
The object becomes empty, as if default constructed.

Parameters

none

Return value

none

Example

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// weak_ptr::reset example #include <iostream> #include <memory> int main () { std::shared_ptr<int> sp (new int(10)); std::weak_ptr<int> wp(sp); std::cout << "1. wp " << (wp.expired()?"is":"is not") << " expired\n"; wp.reset(); std::cout << "2. wp " << (wp.expired()?"is":"is not") << " expired\n"; return 0; }

Output:
1. wp is not expired 2. wp is expired 


See also