|  | Home | Libraries | People | FAQ | More | 
            For a sequence seq and
            unary function object f,
            any returns true if
            f returns true for at
            least one element of seq.
          
template<
    typename Sequence,
    typename F
    >
typename result_of::any<Sequence,F>::type any(
    Sequence const& seq, F f);
Table 1.52. Parameters
| Parameter | Requirement | Description | 
|---|---|---|
| 
                       | 
                      A model of Forward
                      Sequence,  | The sequence to search | 
| 
                       | A unary function object | The search predicate | 
any(seq, f);
            Return type: bool
          
            Semantics: Returns true if and only
            if f(e)
            evaluates to true for some
            element e in seq.
          
            Linear. At most result_of::size<Sequence>::value
#include <boost/fusion/algorithm/query/any.hpp> #include <boost/fusion/include/any.hpp>
struct odd { template<typename T> bool operator()(T t) const { return t % 2; } }; ... assert(any(make_vector(1,2), odd())); assert(!any(make_vector(2,4), odd()));