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Returns a new sequence with an element added at the beginning.
template<
    typename Sequence,
    typename T
    >
typename result_of::push_front<Sequence const, T>::type push_front(
    Sequence const& seq, T const& t);
Table 1.85. Parameters
| Parameter | Requirement | Description | 
|---|---|---|
| 
                       | A model of Forward Sequence | Operation's argument | 
| 
                       | Any type | The value to add to the beginning | 
push_back(seq, t);
Return type:
            Semantics: Returns a new sequence, containing
            all the elements of seq,
            and new element t appended
            to the beginning. The elements are in the same order as they were in
            seq.
          
Constant. Returns a view which is lazily evaluated.
#include <boost/fusion/algorithm/transformation/push_front.hpp> #include <boost/fusion/include/push_front.hpp>
assert(push_front(make_vector(1,2,3),0) ==make_vector(0,1,2,3));