25 Algorithms library [algorithms]

25.11 Specialized <memory> algorithms [specialized.algorithms]

25.11.2 uninitialized_­default_­construct [uninitialized.construct.default]

🔗
template<class NoThrowForwardIterator> void uninitialized_default_construct(NoThrowForwardIterator first, NoThrowForwardIterator last);
1
#
Effects: Equivalent to: 
for (; first != last; ++first)
  ::new (voidify(*first))
    typename iterator_traits<NoThrowForwardIterator>::value_type;
🔗
namespace ranges { template<no-throw-forward-iterator I, no-throw-sentinel<I> S> requires default_initializable<iter_value_t<I>> I uninitialized_default_construct(I first, S last); template<no-throw-forward-range R> requires default_initializable<range_value_t<R>> borrowed_iterator_t<R> uninitialized_default_construct(R&& r); }
2
#
Effects: Equivalent to: 
for (; first != last; ++first)
  ::new (voidify(*first)) remove_reference_t<iter_reference_t<I>>;
return first;
🔗
template<class NoThrowForwardIterator, class Size> NoThrowForwardIterator uninitialized_default_construct_n(NoThrowForwardIterator first, Size n);
3
#
Effects: Equivalent to: 
for (; n > 0; (void)++first, --n)
  ::new (voidify(*first))
    typename iterator_traits<NoThrowForwardIterator>::value_type;
return first;
🔗
namespace ranges { template<no-throw-forward-iterator I> requires default_initializable<iter_value_t<I>> I uninitialized_default_construct_n(I first, iter_difference_t<I> n); }
4
#
Effects: Equivalent to: 
return uninitialized_default_construct(counted_iterator(first, n),
                                       default_sentinel).base();