std::align_val_t(3) C++ Standard Libary std::align_val_t(3) NAME std::align_val_t - std::align_val_t Synopsis Defined in header <new> enum class align_val_t : std::size_t {}; (since C++17) Both new-expression and delete-expression, when used with objects whose alignment requirement is greater than __STDCPP_DEFAULT_NEW_ALIGNMENT__, pass that alignment requirement as an argument of type std::align_val_t to the selected allocation/deallocation function. Notes Alignment (as obtained by alignof) has the type std::size_t, but place- ment forms of allocation and deallocation functions that take std::size_t as an addi- tional parameter are already in use, so this type is used instead. Feature-test macro Value Std Feature __cpp_aligned_new 201606L (C++17) Dynamic memory allocation for over- aligned data See also operator new allocation functions operator new[] (function) operator delete deallocation functions operator delete[] (function) http://cppreference.com 2024.06.10 std::align_val_t(3)
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