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Moves an iterator by a specified distance.
template< typename I, typename M > typename result_of::advance<I, M>::type advance(I const& i);
Table 1.6. Parameters
Parameter |
Requirement |
Description |
---|---|---|
i |
Model of Forward Iterator |
Iterator to move relative to |
N |
Number of positions to move |
advance<M>(i);
Return type: A model of the same iterator concept as i.
Semantics: Returns an iterator to the element M positions from i. If i is a Bidirectional Iterator then M may be negative.
/iterator/advance.hpp>
typedef vector<int,int,int> vec; vec v(1,2,3); assert(deref(advance<mpl::int_<2> >(begin(v))) == 3);