Boost C++ Libraries

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advance_c

Description

Moves an iterator by a specified distance.

Synopsis
template<
    typename I,
    int N
    >
typename result_of::advance_c<I, N>::type advance_c(I const& i);

Table1.7.Parameters

Parameter

Requirement

Description

i

Model of Forward Iterator

Iterator to move relative to

N

Integer constant

Number of positions to move

Expression Semantics
advance_c<N>(i);

Return type: A model of the same iterator concept as i.

Semantics: Returns an iterator to the element N positions from i. If i is a Bidirectional Iterator then N may be negative.

Header
#include <boost/fusion/iterator/advance.hpp>
#include <boost/fusion/include/advance.hpp>
Example
typedef vector<int,int,int> vec;

vec v(1,2,3);
assert(deref(advance_c<2>(begin(v))) == 3);

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