deductiongu...td::weak_ptr(3) C++ Standard Libary deductiongu...td::weak_ptr(3) NAME deductionguidesforstd::weak_ptr - deductionguidesforstd::weak_ptr Synopsis Defined in header <memory> template< class T > (since C++17) weak_ptr( std::shared_ptr<T> ) -> weak_ptr<T>; One deduction guide is provided for std::weak_ptr to account for the edge case missed by the implicit deduction guides. Example // Run this code #include <memory> int main() { auto p = std::make_shared<int>(42); std::weak_ptr w{p}; // explicit deduction guide is used in this case } http://cppreference.com 2024.06.10 deductiongu...td::weak_ptr(3)
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