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Deferences an iterator.
template<
    typename I
    >
typename result_of::deref<I>::type deref(I const& i);
Table 1.1. Parameters
| Parameter | Requirement | Description | 
|---|---|---|
| 
                     | Model of Forward Iterator | Operation's argument | 
deref(i);
          Return type: result_of::deref<I>::type
          Semantics: Dereferences the iterator
          i.
        
#include <boost/fusion/iterator/deref.hpp> #include <boost/fusion/include/deref.hpp>
typedefvector<int,int&> vec; int i(0); vec v(1,i); assert(deref(begin(v)) == 1); assert(deref(next(begin(v))) == 0); assert(&(deref(next(begin(v)))) == &i);