NAME¶

std::allocator::construct - std::allocator::construct

Synopsis¶

Defined in header <memory>
void construct( pointer p, const_reference val ); (1) (until C++11)
template< class U, class... Args > (since C++11)
void construct( U* p, Args&&... args ); (2) (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¶

construct constructs an object in the allocated storage
[static] (function template)
construct_at creates an object at a given address
(C++20) (function template)
operator new allocation functions
operator new[] (function)