23 General utilities library [utilities]

23.10 Memory [memory]

23.10.10 Specialized algorithms [specialized.algorithms]

23.10.10.3 uninitialized_­value_­construct [uninitialized.construct.value]

template <class ForwardIterator> void uninitialized_value_construct(ForwardIterator first, ForwardIterator last);

1
#

Effects: Equivalent to: 

for (; first != last; ++first)
  ::new (static_cast<void*>(addressof(*first)))
    typename iterator_traits<ForwardIterator>::value_type();

template <class ForwardIterator, class Size> ForwardIterator uninitialized_value_construct_n(ForwardIterator first, Size n);

2
#

Effects: Equivalent to: 

for (; n>0; (void)++first, --n)
  ::new (static_cast<void*>(addressof(*first)))
    typename iterator_traits<ForwardIterator>::value_type();
return first;