author | marci |
Thu, 17 Feb 2005 15:14:13 +0000 | |
changeset 1153 | 4b0468de3a31 |
child 1210 | f02396423239 |
permissions | -rw-r--r-- |
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#include <iostream> |
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using namespace std; |
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struct _EmptyList { |
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void write() const {} |
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}; |
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template <typename _Item, typename _Next> |
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struct _AddNode { |
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typedef _Next Next; |
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typedef _Item Item; |
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const Item item; |
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const Next& next; |
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_AddNode(const Item& _item, const Next& _next) |
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: item(_item), next(_next) {} |
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void write() const { |
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next.write(); |
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cout << item << ' '; |
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} |
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}; |
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template <typename _List = _EmptyList> |
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struct _Writer { |
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typedef _List List; |
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const List list; |
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_Writer(const List& _list = List()) : list(_list) {} |
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template <typename Item> _Writer<_AddNode<Item, List> > add(Item item) const { |
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return _Writer<_AddNode<Item, List> >(_AddNode<Item, List>(item, list)); |
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} |
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void write() const { |
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list.write(); |
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cout << endl; |
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} |
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}; |
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typedef _Writer<> Writer; |
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int main() { |
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Writer().add(3).add("alpha").add(4.53).write(); |
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} |