mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-29 01:03:45 +00:00
97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2017 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_GENERATOR_GENERATOR_GENERATE_TRAITS_HPP
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#define SPROUT_GENERATOR_GENERATOR_GENERATE_TRAITS_HPP
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#include <utility>
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#include <sprout/config.hpp>
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#include <sprout/utility/move.hpp>
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#include <sprout/generator/traits_fwd.hpp>
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#include <sprout/generator/generate_functions_fwd.hpp>
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#include <sprout/generator/detail/next_value.hpp>
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namespace sprout_generator_detail {
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using sprout_adl::generate_next_value;
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template<typename Gen>
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inline SPROUT_CONSTEXPR decltype(generate_next_value(std::declval<Gen>()))
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call_generate_next_value(Gen&& gen)
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SPROUT_NOEXCEPT_IF_EXPR(generate_next_value(std::declval<Gen>()))
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{
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return generate_next_value(SPROUT_FORWARD(Gen, gen));
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}
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} // namespace sprout_generator_detail
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namespace sprout {
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namespace generators {
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namespace detail {
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template<typename Gen>
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struct generator_generate_traits_const_default {
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public:
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// generate_next_value
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static SPROUT_CONSTEXPR decltype(sprout::generators::generator_generate_traits<Gen>::generate_next_value(std::declval<Gen const&>()))
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generate_next_value(Gen const& t)
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SPROUT_NOEXCEPT_IF_EXPR(sprout::generators::generator_generate_traits<Gen>::generate_next_value(std::declval<Gen const&>()))
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{
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return sprout::generators::generator_generate_traits<Gen>::generate_next_value(t);
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}
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};
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} // namespace detail
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//
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// generator_generate_generate_next_value_default
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//
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template<typename Gen>
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struct generator_generate_generate_next_value_default {
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public:
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static SPROUT_CONSTEXPR decltype(sprout_generator_detail::call_generate_next_value(std::declval<Gen&>()))
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generate_next_value(Gen& t)
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SPROUT_NOEXCEPT_IF_EXPR(sprout_generator_detail::call_generate_next_value(std::declval<Gen&>()))
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{
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return sprout_generator_detail::call_generate_next_value(t);
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}
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static SPROUT_CONSTEXPR decltype(sprout_generator_detail::call_generate_next_value(std::declval<Gen&&>()))
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generate_next_value(Gen&& t)
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SPROUT_NOEXCEPT_IF_EXPR(sprout_generator_detail::call_generate_next_value(std::declval<Gen&&>()))
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{
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return sprout_generator_detail::call_generate_next_value(sprout::move(t));
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}
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static SPROUT_CONSTEXPR decltype(sprout_generator_detail::call_generate_next_value(std::declval<Gen const&>()))
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generate_next_value(Gen const& t)
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SPROUT_NOEXCEPT_IF_EXPR(sprout_generator_detail::call_generate_next_value(std::declval<Gen const&>()))
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{
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return sprout_generator_detail::call_generate_next_value(t);
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}
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};
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//
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// generator_generate_traits_default
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//
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template<typename Gen>
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struct generator_generate_traits_default
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: public sprout::generators::generator_generate_generate_next_value_default<Gen>
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{};
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//
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// generator_generate_traits
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//
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template<typename Gen>
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struct generator_generate_traits
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: public sprout::generators::generator_generate_traits_default<Gen>
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{};
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template<typename Gen>
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struct generator_generate_traits<Gen const>
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: public sprout::generators::detail::generator_generate_traits_const_default<Gen>
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{};
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} // namespace generators
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} // namespace sprout
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#include <sprout/generator/next_generator.hpp>
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#include <sprout/generator/next_value.hpp>
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#endif // #ifndef SPROUT_GENERATOR_GENERATOR_GENERATE_TRAITS_HPP
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