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From cppreference.com
template<classT,classAlloc,class...Args>constexprT*uninitialized_construct_using_allocator(T*p,constAlloc&alloc,Args&&...args);(since C++20)Creates an object of the given type T by means of
at the uninitialized memory location indicated by p.
Equivalent to
returnstd::apply([&]<class...Xs>(Xs&&...xs){returnstd::construct_at(p,std::forward<Xs>(xs)...);},std::uses_allocator_construction_args<T>(alloc,std::forward<Args>(args)...));Parameters
p - the memory location where the object will be placed alloc - the allocator to use args - the arguments to pass to T's constructor Return value
Pointer to the newly-created object of type T.
Exceptions
May throw any exception thrown by the constructor of T, typically including
.
Example
See also