mirror of https://github.com/axmolengine/axmol.git
74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/// \file
|
|
// Range v3 library
|
|
//
|
|
// Copyright Eric Niebler 2014-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_GENERATE_HPP
|
|
#define RANGES_V3_ALGORITHM_GENERATE_HPP
|
|
|
|
#include <utility>
|
|
|
|
#include <range/v3/range_fwd.hpp>
|
|
|
|
#include <range/v3/algorithm/result_types.hpp>
|
|
#include <range/v3/functional/invoke.hpp>
|
|
#include <range/v3/functional/reference_wrapper.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-algorithms
|
|
/// @{
|
|
template<typename O, typename F>
|
|
using generate_result = detail::out_fun_result<O, F>;
|
|
|
|
RANGES_FUNC_BEGIN(generate)
|
|
|
|
/// \brief function template \c generate_n
|
|
template(typename O, typename S, typename F)(
|
|
requires invocable<F &> AND output_iterator<O, invoke_result_t<F &>> AND
|
|
sentinel_for<S, O>)
|
|
constexpr generate_result<O, F> RANGES_FUNC(generate)(O first, S last, F fun) //
|
|
{
|
|
for(; first != last; ++first)
|
|
*first = invoke(fun);
|
|
return {detail::move(first), detail::move(fun)};
|
|
}
|
|
|
|
/// \overload
|
|
template(typename Rng, typename F)(
|
|
requires invocable<F &> AND output_range<Rng, invoke_result_t<F &>>)
|
|
constexpr generate_result<borrowed_iterator_t<Rng>, F> //
|
|
RANGES_FUNC(generate)(Rng && rng, F fun)
|
|
{
|
|
return {(*this)(begin(rng), end(rng), ref(fun)).out, detail::move(fun)};
|
|
}
|
|
|
|
RANGES_FUNC_END(generate)
|
|
|
|
namespace cpp20
|
|
{
|
|
using ranges::generate;
|
|
using ranges::generate_result;
|
|
} // namespace cpp20
|
|
/// @}
|
|
} // namespace ranges
|
|
|
|
#include <range/v3/detail/epilogue.hpp>
|
|
|
|
#endif
|