King_DuckZ/Sprout
1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout synced 2025-08-03 12:49:50 +00:00
Code Issues Releases Wiki Activity

add generators::next_value function

Browse source
This commit is contained in:
bolero-MURAKAMI 2016-04-28 08:42:13 +09:00
parent 2fe34cc922
commit 51614b1356
16 changed files with 681 additions and 98 deletions
Download patch file Download diff file Expand all files Collapse all files

97
sprout/generator/generator_generate_traits.hpp Normal file
View file

@ -0,0 +1,97 @@
/*=============================================================================
Copyright (c) 2011-2016 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under 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)
=============================================================================*/
#ifndef SPROUT_GENERATOR_GENERATOR_GENERATE_TRAITS_HPP
#define SPROUT_GENERATOR_GENERATOR_GENERATE_TRAITS_HPP
#include <utility>
#include <sprout/config.hpp>
#include <sprout/utility/move.hpp>
#include <sprout/generator/traits_fwd.hpp>
#include <sprout/generator/generate_functions_fwd.hpp>
#include <sprout/generator/detail/next_value.hpp>
namespace sprout_generator_detail {
using sprout_adl::generate_next_value;
template<typename Gen>
inline SPROUT_CONSTEXPR decltype(generate_next_value(std::declval<Gen>()))
call_generate_next_value(Gen&& gen)
SPROUT_NOEXCEPT_IF_EXPR(generate_next_value(std::declval<Gen>()))
{
return generate_next_value(SPROUT_FORWARD(Gen, gen));
}
} // namespace sprout_generator_detail
namespace sprout {
namespace generators {
namespace detail {
template<typename Gen>
struct generator_generate_traits_const_default {
public:
// generate_next_value
static SPROUT_CONSTEXPR decltype(sprout::generators::generator_generate_traits<Gen>::generate_next_value(std::declval<Gen const&>()))
generate_next_value(Gen const& t)
SPROUT_NOEXCEPT_IF_EXPR(sprout::generators::generator_generate_traits<Gen>::generate_next_value(std::declval<Gen const&>()))
{
return sprout::generators::generator_generate_traits<Gen>::generate_next_value(t);
}
};
} // namespace detail
//
// generator_generate_generate_next_value_default
//
template<typename Gen>
struct generator_generate_generate_next_value_default {
public:
static SPROUT_CONSTEXPR decltype(sprout_generator_detail::call_generate_next_value(std::declval<Gen&>()))
generate_next_value(Gen& t)
SPROUT_NOEXCEPT_IF_EXPR(sprout_generator_detail::call_generate_next_value(std::declval<Gen&>()))
{
return sprout_generator_detail::call_generate_next_value(t);
}
static SPROUT_CONSTEXPR decltype(sprout_generator_detail::call_generate_next_value(std::declval<Gen&&>()))
generate_next_value(Gen&& t)
SPROUT_NOEXCEPT_IF_EXPR(sprout_generator_detail::call_generate_next_value(std::declval<Gen&&>()))
{
return sprout_generator_detail::call_generate_next_value(sprout::move(t));
}
static SPROUT_CONSTEXPR decltype(sprout_generator_detail::call_generate_next_value(std::declval<Gen const&>()))
generate_next_value(Gen const& t)
SPROUT_NOEXCEPT_IF_EXPR(sprout_generator_detail::call_generate_next_value(std::declval<Gen const&>()))
{
return sprout_generator_detail::call_generate_next_value(t);
}
};
//
// generator_generate_traits_default
//
template<typename Gen>
struct generator_generate_traits_default
: public sprout::generators::generator_generate_generate_next_value_default<Gen>
{};
//
// generator_generate_traits
//
template<typename Gen>
struct generator_generate_traits
: public sprout::generators::generator_generate_traits_default<Gen>
{};
template<typename Gen>
struct generator_generate_traits<Gen const>
: public sprout::generators::detail::generator_generate_traits_const_default<Gen>
{};
} // namespace generators
} // namespace sprout
#include <sprout/generator/next_generator.hpp>
#include <sprout/generator/next_value.hpp>
#endif // #ifndef SPROUT_GENERATOR_GENERATOR_GENERATE_TRAITS_HPP