distance

Description

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distance

Description

>>>>>>> .merge-right.r57125

Returns the distance between two iterators.

<<<<<<< .working

Synopsis

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Synopsis

>>>>>>> .merge-right.r57125

template<
    typename I,
    typename J
    >
struct distance
{
    typedef unspecified type;
};

<<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working <<<<<<< .working

Table 1.16. Parameters

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Table 1.16. Parameters

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Table 1.17. Parameters

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Table 1.17. Parameters

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Table 1.17. Parameters

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Table 1.17. Parameters

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Table 1.17. Parameters

>>>>>>> .merge-right.r58559 >>>>>>> .merge-right.r58549 >>>>>>> .merge-right.r58299 >>>>>>> .merge-right.r57337 >>>>>>> .merge-right.r57242

>>>>>>> .merge-right.r57125

Parameter	Requirement	Description
`I`, `J`	Models of Forward Iterator into the same sequence	The start and end points of the distance to be measured

<<<<<<< .working

Expression =======

Expression >>>>>>> .merge-right.r57125 Semantics

result_of::distance<I, J>::type

Return type: A model of MPL Integral Constant.

Semantics: Returns the distance between iterators of types I and J.

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Header

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Header

>>>>>>> .merge-right.r57125

#include <boost/fusion/iterator/distance.hpp>
#include <boost/fusion/include/distance.hpp>

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Example

typedef vector<int,double,char> vec;
typedef result_of::begin<vec>::type first;
typedef result_of::next<first>::type second;
typedef result_of::next<second>::type third;
typedef result_of::distance<first,third>::type dist;
=======


          Example
        
typedef vector<int,double,char> vec;
typedef result_of::begin<vec>::type first;
typedef result_of::next<first>::type second;
typedef result_of::next<second>::type third;
typedef result_of::distance<first,third>::type dist;
>>>>>>> .merge-right.r57125

BOOST_MPL_ASSERT_RELATION(dist::value, ==, 2);