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##### pop_back

###### Description

Returns the result type of `pop_back`, given the input sequence type.

###### Synopsis

    template<
        typename Sequence
        >
    struct pop_back
    {
        typedef unspecified type;
    };

Table 1.87. Parameters

Parameter | Requirement | Description
--- | --- | ---
`Sequence` | A model of Forward Sequence | Operation's argument

###### Expression Semantics

    result_of::pop_back<Sequence>::type

Return type: A model of Forward Sequence.

Semantics: Returns a sequence with all the elements of `Sequence` except the last element.

###### Complexity

Constant.

###### Header

    #include <boost/fusion/algorithm/tranformation/pop_back.hpp>
    #include <boost/fusion/include/pop_back.hpp>