Boost C++ Libraries

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This is the documentation for a snapshot of the master branch, built from commit c89e626766.
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count
Description

A metafunction that returns the result type of count given the sequence and search types.

Synopsis
template<
    typename Sequence,
    typename T
    >
struct count
{
    typedef int type;
};

Table 1.64. Parameters

Parameter

Requirement

heading Description

Sequence

A model of Forward Sequence

Operation's argument

T

Any type

Operation's argument


Expression Semantics
result_of::count<T>::type

Return type: int.

Semantics: Returns the return type of count. The return type is always int.

Complexity

Constant.

Header
#include <boost/fusion/algorithm/query/count.hpp>
#include <boost/fusion/include/count.hpp>

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