| author | klao |
| Sat, 17 Apr 2004 01:57:48 +0000 | |
| changeset 347 | e4ab32225f1c |
| parent 242 | b255f25ad394 |
| child 389 | 770cc1f4861f |
| permissions | -rw-r--r-- |
| alpar@162 | 1 |
// -*- mode:C++ -*- |
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#ifndef HUGO_INVALID_H |
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#define HUGO_INVALID_H |
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///\file |
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///\brief Definition of INVALID. |
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namespace hugo {
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/// Dummy type to make it easier to make invalid iterators. |
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/// See \ref INVALID, how to use it. |
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struct Invalid {};
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/// Invalid iterators. |
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/// \ref Invalid is a global type that converts to each iterator |
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/// in such a way that the value of the target iterator will be invalid. |
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// It is also used to convert the \c INVALID constant to the |
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// node iterator that makes is possible to write |
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//extern Invalid INVALID; |
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//const Invalid &INVALID = *(Invalid *)0; |
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const Invalid INVALID = Invalid(); |
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}; |
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#endif |
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