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/// \file
// Range v3 library
//
// Copyright Eric Niebler 2013-present
//
// Use, modification and distribution is subject to the
// Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// Project home: https://github.com/ericniebler/range-v3
//
#ifndef RANGES_V3_ALGORITHM_FILL_N_HPP
#define RANGES_V3_ALGORITHM_FILL_N_HPP
#include <utility>
#include <range/v3/range_fwd.hpp>
#include <range/v3/iterator/concepts.hpp>
#include <range/v3/iterator/operations.hpp>
#include <range/v3/range/access.hpp>
#include <range/v3/range/concepts.hpp>
#include <range/v3/range/traits.hpp>
#include <range/v3/utility/static_const.hpp>
#include <range/v3/detail/prologue.hpp>
namespace ranges
{
/// \addtogroup group-algorithms
/// @{
RANGES_FUNC_BEGIN(fill_n)
/// \brief function template \c equal
template(typename O, typename V)(
requires output_iterator<O, V const &>)
constexpr O RANGES_FUNC(fill_n)(O first, iter_difference_t<O> n, V const & val)
{
RANGES_EXPECT(n >= 0);
auto norig = n;
auto b = uncounted(first);
for(; n != 0; ++b, --n)
*b = val;
return recounted(first, b, norig);
}
RANGES_FUNC_END(fill_n)
namespace cpp20
{
using ranges::fill_n;
}
/// @}
} // namespace ranges
#include <range/v3/detail/epilogue.hpp>
#endif
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