afb81b8278
Some checks failed
Docker. / Ubuntu (push) Has been cancelled
User-agent updater. / User-agent (push) Failing after 15s
Lock Threads / lock (push) Failing after 10s
Waiting for answer. / waiting-for-answer (push) Failing after 22s
Needs user action. / needs-user-action (push) Failing after 8s
Can't reproduce. / cant-reproduce (push) Failing after 8s
Close stale issues and PRs / stale (push) Has been cancelled
56 lines
1.5 KiB
C++
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
|