uninitialized_fill_n()

Library:  General utilities

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A function that initializes elements within a memory range to a specified value

#include <memory>

namespace std {
  template <class ForwardIterator, class Size, class T>
  void
  uninitialized_fill_n(ForwardIterator start, Size n,
                       const T& x);
}

The algorithm unitialized_fill_n() starts at the iterator start and initializes the first n items to the value x, using placement new.

uninitialized_fill()

ISO/IEC 14882:1998 -- International Standard for Information Systems -- Programming Language C++, Section 20.4.4.3