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Applies a unary function object to each element of a sequence.
template<
    typename Sequence,
    typename F
    >
typename result_of::for_each<Sequence, F>::type for_each(
    Sequence& seq, F f);
Table 1.45. Parameters
| Parameter | Requirement | Description | 
|---|---|---|
| 
                       | 
                      A model of Forward
                      Sequence,  | Operation's argument | 
| 
                       | A unary Regular Callable Object | Operation's argument | 
for_each(seq, f);
            Return type: void
          
            Semantics: Calls f(e) for each element e
            in seq.
          
            Linear, exactly result_of::size<Sequence>::valuef.
          
#include <boost/fusion/algorithm/iteration/for_each.hpp> #include <boost/fusion/include/for_each.hpp>
struct increment { template<typename T> void operator()(T& t) const { ++t; } }; ...vector<int,int> vec(1,2);for_each(vec, increment()); assert(vec ==make_vector(2,3));