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            Returns the result type of pop_back, given the input sequence
            type.
          
template< typename Sequence > struct pop_back { typedef unspecified type; };
Table 1.101. Parameters
| Parameter | Requirement | Description | 
|---|---|---|
| 
                       | A model of Forward Sequence | Operation's argument | 
result_of::pop_back<Sequence>::type
Return type:
Sequence
                implements the Associative
                Sequence model.
              
            Semantics: Returns a sequence with all
            the elements of Sequence
            except the last element.
          
Constant.
#include <boost/fusion/algorithm/transformation/pop_back.hpp> #include <boost/fusion/include/pop_back.hpp>