3 template <typename, typename = int> struct lambda;
4 template <typename T3> struct if_ { typedef T3 type; };
5 template <int> struct arg {
6 template <typename U1, typename> struct apply { typedef U1 type; };
8 template <typename> struct begin_impl;
9 template <typename Sequence> struct begin {
10 typedef typename Sequence::tag tag_;
11 typedef typename begin_impl<tag_>::template apply<Sequence>::type type;
13 template <typename> struct O1_size_impl;
15 template <long N> struct long_ { static const long value = N; };
17 template <typename Sequence>
19 : O1_size_impl<typename Sequence::tag>::template apply<Sequence> {};
21 template <typename T> struct protect : T {};
22 template <typename F> struct apply_wrap1 : F::template apply<int> {};
23 template <typename F, typename T1, typename T2>
24 struct apply_wrap2 : F::template apply<T1, T2> {};
25 template <typename F> struct apply_wrap5 : F::template apply<int> {};
26 template <typename, typename, typename, typename, typename, typename>
27 struct resolve_bind_arg;
28 template <typename T, typename> struct replace_unnamed_arg { typedef T type; };
29 template <typename F, typename> struct bind1 {
30 template <typename> struct apply {
31 typedef typename apply_wrap1<F>::type type;
34 template <typename F, typename T1, typename U1, typename U2, typename U3,
35 typename U4, typename U5>
36 struct resolve_bind_arg<bind1<F, T1>, U1, U2, U3, U4, U5> {
37 typedef typename apply_wrap5<bind1<F, T1>>::type type;
39 template <typename F, typename, typename T2> struct bind2 {
40 template <typename U1, typename U2> struct apply {
41 typedef resolve_bind_arg<typename replace_unnamed_arg<T2, arg<1>>::type, U1,
42 U2, int, int, int> t2;
43 typedef typename apply_wrap2<F, typename U1::type, typename t2::type>::type
47 template <typename T> struct quote_impl { typedef T type; };
48 template <template <typename> class F> struct quote1 {
49 template <typename> struct apply : quote_impl<F<int>> {};
51 template <typename T, typename> struct lambda {
53 typedef arg<1> result_;
55 template <typename, template <typename> class, typename> struct le_result1;
56 template <template <typename> class F, typename L1>
57 struct le_result1<int, F, L1> {
58 typedef protect<bind1<quote1<F>, typename L1::result_>> type;
60 template <template <typename> class F, typename T1, typename Tag>
61 struct lambda<F<T1>, Tag> {
62 typedef typename le_result1<int, F, lambda<T1>>::type type;
64 template <int, typename, typename, typename> struct iter_fold_impl;
65 template <typename First, typename State, typename ForwardOp>
66 struct iter_fold_impl<1, First, State, ForwardOp> {
67 typedef typename apply_wrap2<ForwardOp, State, First>::type state;
69 template <typename Sequence, typename State, typename ForwardOp>
71 typedef typename iter_fold_impl<O1_size<Sequence>::value,
72 typename begin<Sequence>::type, State,
73 ForwardOp>::state type;
75 template <typename> struct deref;
76 template <typename> struct push_front_impl;
77 template <typename T> struct l_item {
80 typedef long_<1> size;
87 template <> struct push_front_impl<int> {
88 template <typename, typename T> struct apply { typedef l_item<T> type; };
90 template <> struct O1_size_impl<int> {
91 template <typename> struct apply : l_item<int>::size {};
93 template <typename> struct l_iter;
94 template <typename Node> struct deref<l_iter<Node>> {
95 typedef typename Node::item type;
97 template <> struct begin_impl<int> {
98 template <typename List> struct apply {
99 typedef l_iter<typename List::type> type;
102 template <typename> struct list : l_item<int> {};
104 template <typename T> T &cast_storage(void *storage) {
105 return *static_cast<T *>(storage);
108 struct visitation_impl_step {
111 template <typename Visitor, typename VoidPtrCV, typename T>
112 void visitation_impl_invoke_impl(int, Visitor visitor, VoidPtrCV storage, T *) {
113 visitor.internal_visit(cast_storage<T>(storage), 1);
115 int visitation_impl_invoke_internal_which, visitation_impl_logical_which;
116 template <typename Visitor, typename VoidPtrCV, typename T,
117 typename NoBackupFlag>
118 void visitation_impl_invoke(Visitor visitor, VoidPtrCV storage, T t,
120 visitation_impl_invoke_impl(visitation_impl_invoke_internal_which, visitor,
123 template <typename Which, typename step0, typename Visitor, typename VoidPtrCV,
124 typename NoBackupFlag>
125 void visitation_impl(int, Visitor visitor, VoidPtrCV storage, int,
126 NoBackupFlag no_backup_flag, Which, step0 *) {
127 switch (visitation_impl_logical_which)
129 visitation_impl_invoke(visitor, storage,
130 static_cast<typename step0::type *>(0), no_backup_flag,
133 template <long N> struct size_t { static const long value = N; };
134 struct aligned_storage_imp {};
135 template <long> class aligned_storage : aligned_storage_imp {
137 void *address() { return static_cast<aligned_storage_imp *>(this); }
140 template <typename> struct less;
141 template <typename> struct select_max {
142 template <typename OldIterator, typename> struct apply {
143 typedef OldIterator type;
146 template <typename Sequence, typename Predicate = less<arg<11>>>
147 struct max_element : iter_fold<Sequence, typename begin<Sequence>::type,
148 protect<select_max<Predicate>>> {};
149 template <typename Sequence = int, typename T = int>
151 : push_front_impl<typename Sequence::tag>::template apply<Sequence, T> {};
152 template <> struct push_front<> {
153 template <typename T1, typename T2> struct apply : push_front<T1, T2> {};
155 template <typename> struct sizeof_ : size_t<sizeof(int)> {};
156 template <long, typename, typename, typename, typename>
157 struct reverse_fold_impl;
158 template <typename First, typename State, typename BackwardOp,
160 struct reverse_fold_impl<1, First, State, BackwardOp, ForwardOp> {
162 typedef typename apply_wrap2<
164 typename apply_wrap2<ForwardOp, State, typename deref<iter0>::type>::type,
165 typename deref<iter0>::type>::type state;
167 template <typename Sequence, typename State, typename BackwardOp,
168 typename ForwardOp = arg<1>>
169 struct reverse_fold {
170 typedef typename reverse_fold_impl<O1_size<Sequence>::value,
171 typename begin<Sequence>::type, State,
172 BackwardOp, ForwardOp>::state type;
174 template <typename> struct inserter {
175 typedef mpl::l_end state;
176 typedef mpl::push_front<> operation;
178 template <typename Seq, typename Op, typename In>
179 struct reverse_transform1_impl
180 : reverse_fold<Seq, typename In::state,
181 bind2<typename lambda<typename In::operation>::type, _1,
182 bind1<typename lambda<Op>::type, arg<2>>>> {};
183 template <typename P1, typename P2>
185 : if_<reverse_transform1_impl<P1, P2, inserter<push_front<>>>>::type {};
187 template <typename, typename> struct max_value {
188 typedef mpl::transform1<mpl::list<symbol>, mpl::sizeof_<mpl::arg<1>>>::type
190 typedef mpl::max_element<transformed_>::type max_it;
191 typedef mpl::deref<max_it>::type type;
193 template <typename> struct make_storage {
194 typedef max_value<int, mpl::sizeof_<int>>::type max_size;
195 typedef aligned_storage<max_size::value> type;
198 template <typename T> void internal_visit(T &operand, int) { operand.~T(); }
200 template <typename, typename...> class variant {
201 typedef int internal_types;
203 make_storage<internal_types>::type storage_;
207 internal_apply_visitor(visitor);
209 template <typename Visitor, typename VoidPtrCV>
210 void internal_apply_visitor_impl(int internal_which, int, Visitor visitor,
212 visitation_impl(internal_which, visitor, storage, int(), int(),
214 static_cast<visitation_impl_step *>(0));
216 int internal_apply_visitor___trans_tmp_1;
217 template <typename Visitor> void internal_apply_visitor(Visitor visitor) {
218 internal_apply_visitor_impl(which_, internal_apply_visitor___trans_tmp_1,
219 visitor, storage_.address());
225 using Identifier = variant<int>;
227 virtual void foo() const = 0;
230 struct ProcFrag : Fragment {
236 ~Fragments() { delete x; }