std::allocator<T>::construct
Defined in header <memory>
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void construct( pointer p, const_reference val ); |
(1) | (until C++11) |
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
[static] |
constructs an object in the allocated storage (function template) |
allocation functions (function) |