equal_to

Description

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equal_to

Description

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

Returns a true-valued MPL Integral Constant if I and J are equal.

<<<<<<< .working

Synopsis

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Synopsis

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

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

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

Table 1.15. Parameters

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Table 1.15. Parameters

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Table 1.16. Parameters

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Table 1.16. Parameters

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Table 1.16. Parameters

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Table 1.16. Parameters

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Table 1.16. Parameters

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

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

Parameter	Requirement	Description
`I`, `J`	Any fusion iterators	Operation's arguments

<<<<<<< .working

Expression =======

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

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

Return type: A model of MPL Integral Constant.

Semantics: Returns boost::mpl::true_ if I and J are iterators to the same position. Returns boost::mpl::false_ otherwise.

<<<<<<< .working

Header

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Header

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

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

<<<<<<< .working

Example

typedef vector<int,double> vec;
typedef result_of::begin<vec>::type first;
typedef result_of::end<vec>::type last;
BOOST_MPL_ASSERT((result_of::equal_to<first, first>));
BOOST_MPL_ASSERT_NOT((result_of::equal_to<first,last>));
=======


          Example
        
typedef vector<int,double> vec;
typedef result_of::begin<vec>::type first;
typedef result_of::end<vec>::type last;
BOOST_MPL_ASSERT((result_of::equal_to<first, first>));
BOOST_MPL_ASSERT_NOT((result_of::equal_to<first,last>));
>>>>>>> .merge-right.r57125