1*4bdff4beSrobert //===----------------------------------------------------------------------===// 2*4bdff4beSrobert // 3*4bdff4beSrobert // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*4bdff4beSrobert // See https://llvm.org/LICENSE.txt for license information. 5*4bdff4beSrobert // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*4bdff4beSrobert // 7*4bdff4beSrobert //===----------------------------------------------------------------------===// 8*4bdff4beSrobert 9*4bdff4beSrobert #ifndef _LIBCPP___ALGORITHM_RANGES_FILL_H 10*4bdff4beSrobert #define _LIBCPP___ALGORITHM_RANGES_FILL_H 11*4bdff4beSrobert 12*4bdff4beSrobert #include <__algorithm/ranges_fill_n.h> 13*4bdff4beSrobert #include <__config> 14*4bdff4beSrobert #include <__iterator/concepts.h> 15*4bdff4beSrobert #include <__ranges/access.h> 16*4bdff4beSrobert #include <__ranges/concepts.h> 17*4bdff4beSrobert #include <__ranges/dangling.h> 18*4bdff4beSrobert 19*4bdff4beSrobert #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 20*4bdff4beSrobert # pragma GCC system_header 21*4bdff4beSrobert #endif 22*4bdff4beSrobert 23*4bdff4beSrobert #if _LIBCPP_STD_VER > 17 24*4bdff4beSrobert 25*4bdff4beSrobert _LIBCPP_BEGIN_NAMESPACE_STD 26*4bdff4beSrobert 27*4bdff4beSrobert namespace ranges { 28*4bdff4beSrobert namespace __fill { 29*4bdff4beSrobert struct __fn { 30*4bdff4beSrobert template <class _Type, output_iterator<const _Type&> _Iter, sentinel_for<_Iter> _Sent> 31*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI constexpr operator__fn32*4bdff4beSrobert _Iter operator()(_Iter __first, _Sent __last, const _Type& __value) const { 33*4bdff4beSrobert if constexpr(random_access_iterator<_Iter> && sized_sentinel_for<_Sent, _Iter>) { 34*4bdff4beSrobert return ranges::fill_n(__first, __last - __first, __value); 35*4bdff4beSrobert } else { 36*4bdff4beSrobert for (; __first != __last; ++__first) 37*4bdff4beSrobert *__first = __value; 38*4bdff4beSrobert return __first; 39*4bdff4beSrobert } 40*4bdff4beSrobert } 41*4bdff4beSrobert 42*4bdff4beSrobert template <class _Type, output_range<const _Type&> _Range> 43*4bdff4beSrobert _LIBCPP_HIDE_FROM_ABI constexpr operator__fn44*4bdff4beSrobert borrowed_iterator_t<_Range> operator()(_Range&& __range, const _Type& __value) const { 45*4bdff4beSrobert return (*this)(ranges::begin(__range), ranges::end(__range), __value); 46*4bdff4beSrobert } 47*4bdff4beSrobert }; 48*4bdff4beSrobert } // namespace __fill 49*4bdff4beSrobert 50*4bdff4beSrobert inline namespace __cpo { 51*4bdff4beSrobert inline constexpr auto fill = __fill::__fn{}; 52*4bdff4beSrobert } // namespace __cpo 53*4bdff4beSrobert } // namespace ranges 54*4bdff4beSrobert 55*4bdff4beSrobert _LIBCPP_END_NAMESPACE_STD 56*4bdff4beSrobert 57*4bdff4beSrobert #endif // _LIBCPP_STD_VER > 17 58*4bdff4beSrobert 59*4bdff4beSrobert #endif // _LIBCPP___ALGORITHM_RANGES_FILL_H 60