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Moves an iterator 1 position forwards.
template<
typename I
>
typename result_of::next
<I>::type next(I const& i);
Table 1.2. Parameters
Parameter |
Requirement |
Description |
---|---|---|
|
Model of Forward Iterator |
Operation's argument |
next(i);
Return type: A model of the same iterator
concept as i
.
Semantics: Returns an iterator to the
next element after i
.
#include <boost/fusion/iterator/next.hpp> #include <boost/fusion/include/next.hpp>
typedefvector
<int,int,int> vec; vec v(1,2,3); assert(deref
(begin
(v)) == 1); assert(deref
(next
(begin
(v))) == 2); assert(deref
(next
(next
(begin
(v)))) == 3);