std::allocator<T>::construct
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Defined in header
<memory> |
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void construct( pointer p, const_reference val );
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(1) | (until C++11) |
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template< class U, class... Args >
void construct( U* p, Args&&... args ); |
(2) | (since C++11) (deprecated in C++17) (removed in C++20) |
Constructs an object of type T in allocated uninitialized storage pointed to by p, using placement-new
1) Calls new((void *)p) T(val)
2) Calls ::new((void *)p) U(std::forward<Args>(args)...)
Parameters
| p | - | pointer to allocated uninitialized storage |
| val | - | the value to use as the copy constructor argument |
| args... | - | the constructor arguments to use |
Return value
(none)
See also
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[static]
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constructs an object in the allocated storage (function template) |
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(C++20)
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creates an object at a given address (function template) |
| allocation functions (function) |