From Cppreference
|
|
template< class InputIterator, class Size, class ForwardIterator >
ForwardIterator uninitialized_copy_n( InputIterator first, Size count,
ForwardIterator d_first);
|
|
(since C++11)
|
|
|
|
Copies count elements from a range beginning at first to an uninitialized memory area beginning at d_first. The elements in the uninitialized area are constructed using copy constructor.
[edit] Parameters
| first
|
-
|
the beginning of the range of the elements to copy
|
| d_first
|
-
|
the beginning of the destination range
|
[edit] Return value
iterator to the element past the last element copied.
[edit] Complexity
linear in count
[edit] Equivalent function
template<class InputIterator, class Size, class ForwardIterator>
ForwardIterator uninitialized_copy_n(InputIterator first, Size count,
ForwardIterator d_first)
{
typedef typename std::iterator_traits<ForwardIterator>::value_type Value;
for (; count > 0; ++first, ++d_first, --count) {
::new (static_cast<void*>(&*d_first)) Value(*first);
}
return d_first;
} |
[edit] Example
[edit] See also
|
|
|
|
copies a range of objects to an uninitialized area of memory
(function template)
|