count

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

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

Table 1.50. Parameters

Parameter	Requirement	heading Description
`Sequence`	A model of Forward Sequence	Operation's argument
`T`	Any type	Operation's argument

result_of::count<T>::type

Return type: int.

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

Constant.

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