axmol/thirdparty/range-v3/include/range/v3/numeric/iota.hpp

56 lines
1.5 KiB
C++

/// \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_NUMERIC_IOTA_HPP
#define RANGES_V3_NUMERIC_IOTA_HPP
#include <range/v3/iterator/concepts.hpp>
#include <range/v3/range/access.hpp>
#include <range/v3/range/concepts.hpp>
#include <range/v3/range/dangling.hpp>
#include <range/v3/range/traits.hpp>
#include <range/v3/utility/static_const.hpp>
#include <range/v3/detail/prologue.hpp>
namespace ranges
{
/// \addtogroup group-numerics
/// @{
struct iota_fn
{
template(typename O, typename S, typename T)(
requires output_iterator<O, T const &> AND sentinel_for<S, O> AND
weakly_incrementable<T>)
O operator()(O first, S last, T val) const
{
for(; first != last; ++first, ++val)
*first = detail::as_const(val);
return first;
}
template(typename Rng, typename T)(
requires output_range<Rng, T const &> AND weakly_incrementable<T>)
borrowed_iterator_t<Rng> operator()(Rng && rng, T val) const //
{
return (*this)(begin(rng), end(rng), detail::move(val));
}
};
RANGES_INLINE_VARIABLE(iota_fn, iota)
/// @}
} // namespace ranges
#include <range/v3/detail/epilogue.hpp>
#endif