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            For a sequence seq and
            unary function object f,
            all returns true if
            f returns true for every
            element of seq.
          
template<
    typename Sequence,
    typename F
    >
typename result_of::all<Sequence,F>::type all(
    Sequence const& seq, F f);
Table 1.53. Parameters
| Parameter | Requirement | Description | 
|---|---|---|
| 
                       | 
                      A model of Forward
                      Sequence,  | The sequence to search | 
| 
                       | A unary function object | The search predicate | 
all(seq, f);
            Return type: bool
          
            Semantics: Returns true if and only
            if f(e)
            evaluates to true for every
            element e in seq.
          
            Linear. At most result_of::size<Sequence>::value
#include <boost/fusion/algorithm/query/all.hpp> #include <boost/fusion/include/all.hpp>
struct odd { template<typename T> bool operator()(T t) const { return t % 2; } }; ... assert(all(make_vector(1,3), odd())); assert(!all(make_vector(1,2), odd()));