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Returns a new sequence, with the last element of the original removed.
template<
    typename Sequence
    >
typename result_of::pop_back<Sequence const>::type pop_back(Sequence const& seq);
Table 1.82. Parameters
| Parameter | Requirement | Description | 
|---|---|---|
| 
                       | A model of Forward Sequence | Operation's argument | 
pop_back(seq);
Return type:
seq
                implements the Associative
                Sequence model.
              
            Semantics: Returns a new sequence containing
            all the elements of seq,
            except the last element. The elements in the new sequence are in the
            same order as they were in seq.
          
Constant. Returns a view which is lazily evaluated.
#include <boost/fusion/algorithm/transformation/pop_back.hpp> #include <boost/fusion/include/pop_back.hpp>
assert(pop_back(make_vector(1,2,3)) ==make_vector(1,2));