Written hugo/ into includes.
7 ///\brief Definition of INVALID.
11 /// Dummy type to make it easier to make invalid iterators.
13 /// See \ref INVALID, how to use it.
17 /// Invalid iterators.
19 /// \ref Invalid is a global type that converts to each iterator
20 /// in such a way that the value of the target iterator will be invalid.
22 // It is also used to convert the \c INVALID constant to the
23 // node iterator that makes is possible to write
25 //extern Invalid INVALID;
27 //const Invalid &INVALID = *(Invalid *)0;
28 const Invalid INVALID = Invalid();