value_at

Returns the actual type at a given index from the Sequence.

template<
    typename Seq,
    typename N>
struct value_at
{
    typedef unspecified type;
};

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

Table 1.27. Parameters

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Table 1.27. Parameters

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Table 1.31. Parameters

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Table 1.31. Parameters

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Table 1.31. Parameters

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Table 1.31. Parameters

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Table 1.31. Parameters

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

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

Parameter	Requirement	Description
`Seq`	A model of Forward Sequence	Argument sequence
`N`	An MPL Integral Constant	Index of element

<<<<<<< .working

result_of::value_at<Seq, N>::type

Return type: Any type.

Semantics: Returns the actual type at the Nth element of Seq.

#include <boost/fusion/sequence/intrinsic/value_at.hpp>
#include <boost/fusion/include/value_at.hpp>

typedef vector<int,float,char> vec;
BOOST_MPL_ASSERT((boost::is_same<result_of::value_at<vec, boost::mpl::int_<1> >::type, float>));