change generator_access_traits adapt

This commit is contained in:
bolero-MURAKAMI 2016-04-27 16:49:47 +09:00
parent 7f137c0a83
commit 2fe34cc922
4 changed files with 117 additions and 0 deletions

View file

@ -14,6 +14,7 @@
#include <sprout/type_traits/integral_constant.hpp>
#include <sprout/type_traits/identity.hpp>
#include <sprout/iterator/const_reference_cast.hpp>
#include <sprout/iterator/type_traits/is_iterator_of.hpp>
#include <sprout/utility/as_const.hpp>
#include <sprout/utility/move.hpp>
#include <sprout/tuple/tuple.hpp>
@ -98,6 +99,25 @@ namespace sprout {
std::is_lvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::is_substitutable_const_generated_value<Gen>::value
&& !sprout::detail::has_mem_generated_value<Gen>::value
&& sprout::is_input_iterator<Gen>::value
>::type
> {
public:
static SPROUT_CONSTEXPR decltype(*std::declval<Gen&>())
get_generated_value(Gen& gen)
SPROUT_NOEXCEPT_IF_EXPR(*std::declval<Gen&>())
{
return *gen;
}
};
template<typename Gen>
struct get_generated_value_impl<
Gen,
typename std::enable_if<
std::is_lvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::is_substitutable_const_generated_value<Gen>::value
&& !sprout::detail::has_mem_generated_value<Gen>::value
&& !sprout::is_input_iterator<Gen>::value
>::type
> {
public:
@ -150,6 +170,25 @@ namespace sprout {
std::is_rvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::is_substitutable_const_generated_value<Gen>::value
&& !sprout::detail::has_mem_generated_value<Gen>::value
&& sprout::is_input_iterator<Gen>::value
>::type
> {
public:
static SPROUT_CONSTEXPR decltype(*std::declval<Gen&&>())
get_generated_value(Gen&& gen)
SPROUT_NOEXCEPT_IF_EXPR(*std::declval<Gen&&>())
{
return *sprout::move(gen);
}
};
template<typename Gen>
struct get_generated_value_impl<
Gen,
typename std::enable_if<
std::is_rvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::is_substitutable_const_generated_value<Gen>::value
&& !sprout::detail::has_mem_generated_value<Gen>::value
&& !sprout::is_input_iterator<Gen>::value
>::type
> {
public:
@ -183,6 +222,24 @@ namespace sprout {
typename std::enable_if<
std::is_reference<Gen>::value && std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::has_mem_generated_value<Gen const>::value
&& sprout::is_input_iterator<Gen>::value
>::type
> {
public:
static SPROUT_CONSTEXPR decltype(*std::declval<Gen const&>())
get_generated_value(Gen const& gen)
SPROUT_NOEXCEPT_IF_EXPR(*std::declval<Gen const&>())
{
return *gen;
}
};
template<typename Gen>
struct get_generated_value_impl<
Gen,
typename std::enable_if<
std::is_reference<Gen>::value && std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::has_mem_generated_value<Gen const>::value
&& !sprout::is_input_iterator<Gen>::value
>::type
> {
public:

View file

@ -14,6 +14,8 @@
#include <sprout/type_traits/integral_constant.hpp>
#include <sprout/type_traits/identity.hpp>
#include <sprout/iterator/const_reference_cast.hpp>
#include <sprout/iterator/type_traits/is_iterator_of.hpp>
#include <sprout/iterator/next.hpp>
#include <sprout/utility/as_const.hpp>
#include <sprout/utility/move.hpp>
#include <sprout/tuple/tuple.hpp>
@ -98,6 +100,25 @@ namespace sprout {
std::is_lvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::is_substitutable_const_next_generator<Gen>::value
&& !sprout::detail::has_mem_next_generator<Gen>::value
&& !sprout::is_input_iterator<Gen>::value
>::type
> {
public:
static SPROUT_CONSTEXPR decltype(sprout::next(std::declval<Gen&>()))
get_next_generator(Gen& gen)
SPROUT_NOEXCEPT_IF_EXPR(sprout::next(std::declval<Gen&>()))
{
return sprout::next(gen);
}
};
template<typename Gen>
struct get_next_generator_impl<
Gen,
typename std::enable_if<
std::is_lvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::is_substitutable_const_next_generator<Gen>::value
&& !sprout::detail::has_mem_next_generator<Gen>::value
&& sprout::is_input_iterator<Gen>::value
>::type
> {
public:
@ -150,6 +171,25 @@ namespace sprout {
std::is_rvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::is_substitutable_const_next_generator<Gen>::value
&& !sprout::detail::has_mem_next_generator<Gen>::value
&& sprout::is_input_iterator<Gen>::value
>::type
> {
public:
static SPROUT_CONSTEXPR decltype(sprout::next(std::declval<Gen&&>()))
get_next_generator(Gen&& gen)
SPROUT_NOEXCEPT_IF_EXPR(sprout::next(std::declval<Gen&&>()))
{
return sprout::next(sprout::move(gen));
}
};
template<typename Gen>
struct get_next_generator_impl<
Gen,
typename std::enable_if<
std::is_rvalue_reference<Gen>::value && !std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::is_substitutable_const_next_generator<Gen>::value
&& !sprout::detail::has_mem_next_generator<Gen>::value
&& !sprout::is_input_iterator<Gen>::value
>::type
> {
public:
@ -183,6 +223,24 @@ namespace sprout {
typename std::enable_if<
std::is_reference<Gen>::value && std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::has_mem_next_generator<Gen const>::value
&& sprout::is_input_iterator<Gen>::value
>::type
> {
public:
static SPROUT_CONSTEXPR decltype(sprout::next(std::declval<Gen const&>()))
get_next_generator(Gen const& gen)
SPROUT_NOEXCEPT_IF_EXPR(sprout::next(std::declval<Gen const&>()))
{
return sprout::next(gen);
}
};
template<typename Gen>
struct get_next_generator_impl<
Gen,
typename std::enable_if<
std::is_reference<Gen>::value && std::is_const<typename std::remove_reference<Gen>::type>::value
&& !sprout::detail::has_mem_next_generator<Gen const>::value
&& !sprout::is_input_iterator<Gen>::value
>::type
> {
public:

View file

@ -28,6 +28,7 @@ namespace sprout {
// && callable sprout::as_const(t).generated_value()
// -> sprout::const_reference_cast<decltype(std::declval<T&>().generated_value())>(sprout::as_const(cont).generated_value())
// otherwise, callable t.generated_value() -> t.generated_value()
// otherwise, T is InputIterator -> *t
// otherwise -> sprout::tuples::get<0>(t)
//
template<typename T>

View file

@ -28,6 +28,7 @@ namespace sprout {
// && callable sprout::as_const(t).next_generator()
// -> sprout::const_reference_cast<decltype(std::declval<T&>().next_generator())>(sprout::as_const(cont).next_generator())
// otherwise, callable t.next_generator() -> t.next_generator()
// otherwise, T is InputIterator -> sprout::next(t)
// otherwise -> sprout::tuples::get<0>(t)
//
template<typename T>