find

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Finds the first element of a given type within a sequence.

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template<
    typename T,
    typename Sequence
    >
unspecified find(Sequence const& seq);

template<
    typename T,
    typename Sequence
    >
unspecified find(Sequence& seq);

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Table 1.42. Parameters

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Table 1.42. Parameters

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Table 1.46. Parameters

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Table 1.46. Parameters

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Table 1.46. Parameters

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Table 1.46. Parameters

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Table 1.46. Parameters

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Parameter	Requirement	Description
`seq`	A model of Forward Sequence	The sequence to search
`T`	Any type	The type to search for

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Expression =======

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

find<T>(seq)

Return type: A model of the same iterator category as the iterators of seq.

Semantics: Returns an iterator to the first element of seq of type T, or end(seq) if there is no such element. Equivalent to find_if<boost::is_same<_, T> >(seq)

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Linear. At most result_of::size<Sequence>::value comparisons.

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#include <boost/fusion/algorithm/query/find.hpp>
#include <boost/fusion/include/find.hpp>

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const vector<char,int> vec('a','0');
assert(*find<int>(vec) == '0');
assert(find<double>(vec) == end(vec));