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13 |
13 |
14 /// Invalid iterators. |
14 /// Invalid iterators. |
15 |
15 |
16 /// \ref Invalid is a global type that converts to each iterator |
16 /// \ref Invalid is a global type that converts to each iterator |
17 /// in such a way that the value of the target iterator will be invalid. |
17 /// in such a way that the value of the target iterator will be invalid. |
18 |
18 |
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19 // It is also used to convert the \c INVALID constant to the |
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20 // node iterator that makes is possible to write |
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21 |
19 //extern Invalid INVALID; |
22 //extern Invalid INVALID; |
20 |
23 |
21 //const Invalid &INVALID = *(Invalid *)0; |
24 //const Invalid &INVALID = *(Invalid *)0; |
22 const Invalid INVALID = Invalid(); |
25 const Invalid INVALID = Invalid(); |
23 |
26 |