std::uninitialized_construct_using_allocator
From cppreference.com
Defined in header <memory>
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template< class T, class Alloc, class... Args > 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
return ::new(static_cast<void*>(p)) T( std::make_obj_using_allocator<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 std::bad_alloc
Example
This section is incomplete Reason: no example |
See also
(C++11) |
checks if the specified type supports uses-allocator construction (class template) |
(C++20) |
creates an object of the given type by means of uses-allocator construction (function template) |