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[SVN r11536]
This commit is contained in:
Jeremy Siek
2001-11-02 17:19:18 +00:00
parent 79c6d11694
commit 2e74e298c8
1 changed files with 25 additions and 1 deletions
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26
include/boost/iterator_adaptors.hpp
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@ -523,7 +523,31 @@ namespace detail {
// built out of std::pair's and is terminated by end_of_list.
#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
// UNDER CONSTRUCTION
struct find_param_continue {
template <class AssocList, class Key2> struct bind {
typedef typename AssocList::first_argument Head;
typedef typename Head::first_argument Key1;
typedef typename Head::second_argument Value;
typedef typename ct_if<is_same<Key1, Key2>::value,
Value,
typename find_param<typename AssocList::second_argument>::type
>::type type;
};
};
struct find_param_end {
template <class AssocList, class Key>
struct bind { typedef default_argument type; };
};
template <class AssocList> struct find_param_helper1
{ typedef find_param_continue type; };
template <> struct find_param_helper1<end_of_list>
{ typedef find_param_end type; };
template <class AssocList, class Key>
struct find_param {
typedef typename find_param_helper1<AssocList>::type select1;
typedef typename select1::template bind<AssocList, Key>::type type;
};
#else
template <class AssocList, class Key> struct find_param;