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Showing content from https://en.cppreference.com/w/cpp/language/../memory/uninitialized_construct_using_allocator.html below:

std::uninitialized_construct_using_allocator - cppreference.com

template< class T, class Alloc, class... Args >

constexpr T* uninitialized_construct_using_allocator( T* p,
                                                      const Alloc& alloc,

                                                      Args&&... args ); (since C++20)

Creates an object of the given type T by means of uses-allocator construction at the uninitialized memory location indicated by p.

Equivalent to

[edit] 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 [edit] Return value

Pointer to the newly-created object of type T.

[edit] Exceptions

May throw any exception thrown by the constructor of T, typically including std::bad_alloc.

[edit] Example [edit] See also

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