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mpl::sequence_tag specialization for adapted types

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[SVN r58396]
This commit is contained in:
Christopher Schmidt
2009-12-15 13:30:02 +00:00
parent 2587757d47
commit f0cd405f04
16 changed files with 363 additions and 110 deletions
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71
include/boost/fusion/adapted/class/extension.hpp
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@ -10,46 +10,51 @@
#include <boost/type_traits/add_const.hpp>
namespace boost { namespace fusion { namespace extension
namespace boost { namespace fusion
{
template <typename Class, int N>
struct class_member;
struct fusion_sequence_tag;
template <typename Class>
struct class_size;
template <typename Class, int N>
struct class_member<Class const, N> : class_member<Class, N> {};
template <typename Class>
struct class_size<Class const>
: class_size<Class>
{};
struct no_such_member;
template<typename Class, typename Key>
struct class_assoc_member
namespace extension
{
typedef no_such_member type;
};
template <typename Class, int N>
struct class_member;
template<typename Class, typename Key>
struct class_assoc_member<Class const, Key>
{
typedef typename
add_const<typename class_assoc_member<Class, Key>::type>::type
type;
template <typename Class>
struct class_size;
static type&
call(Class const& class_)
template <typename Class, int N>
struct class_member<Class const, N> : class_member<Class, N> {};
template <typename Class>
struct class_size<Class const>
: class_size<Class>
{};
struct no_such_member;
template<typename Class, typename Key>
struct class_assoc_member
{
return class_assoc_member<Class, Key>::call(
const_cast<Class&>(class_));
}
};
typedef no_such_member type;
};
}}}
template<typename Class, typename Key>
struct class_assoc_member<Class const, Key>
{
typedef typename
add_const<typename class_assoc_member<Class, Key>::type>::type
type;
static type&
call(Class const& class_)
{
return class_assoc_member<Class, Key>::call(
const_cast<Class&>(class_));
}
};
}
}}
#endif