feedc0de/boost_fusion
1
0
Fork 0
forked from boostorg/fusion
Code Pull Requests Activity

fusion: merge of associative iterators/views and the new fold interface

Browse Source 
[SVN r58618]
This commit is contained in:
Christopher Schmidt
2010-01-01 22:00:21 +00:00
parent b605617c4f
commit cda74605fc
379 changed files with 28481 additions and 2185 deletions
Download Patch File Download Diff File Expand all files Collapse all files

87
include/boost/fusion/adapted/struct/extension.hpp
View File

@ -10,58 +10,63 @@
#include <boost/type_traits/add_const.hpp>
namespace boost { namespace fusion { namespace extension
namespace boost { namespace fusion
{
template <typename Struct, int N>
struct struct_member;
struct fusion_sequence_tag;
template <typename Struct>
struct struct_size;
template <typename Struct, int N>
struct struct_member<Struct const, N>
namespace extension
{
typedef typename
add_const<typename struct_member<Struct, N>::type>::type
type;
template <typename Struct, int N>
struct struct_member;
static type&
call(Struct const& struct_)
template <typename Struct>
struct struct_size;
template <typename Struct, int N>
struct struct_member<Struct const, N>
{
return struct_member<Struct, N>::call(
const_cast<Struct&>(struct_));
}
};
typedef typename
add_const<typename struct_member<Struct, N>::type>::type
type;
template <typename Struct>
struct struct_size<Struct const>
: struct_size<Struct>
{};
static type&
call(Struct const& struct_)
{
return struct_member<Struct, N>::call(
const_cast<Struct&>(struct_));
}
};
struct no_such_member;
template <typename Struct>
struct struct_size<Struct const>
: struct_size<Struct>
{};
template<typename Struct, typename Key>
struct struct_assoc_member
{
typedef no_such_member type;
};
struct no_such_member;
template<typename Struct, typename Key>
struct struct_assoc_member<Struct const, Key>
{
typedef typename
add_const<typename struct_assoc_member<Struct, Key>::type>::type
type;
static type&
call(Struct const& struct_)
template<typename Struct, typename Key>
struct struct_assoc_member
{
return struct_assoc_member<Struct, Key>::call(
const_cast<Struct&>(struct_));
}
};
typedef no_such_member type;
};
}}}
template<typename Struct, typename Key>
struct struct_assoc_member<Struct const, Key>
{
typedef typename
add_const<typename struct_assoc_member<Struct, Key>::type>::type
type;
static type&
call(Struct const& struct_)
{
return struct_assoc_member<Struct, Key>::call(
const_cast<Struct&>(struct_));
}
};
}
}}
#endif