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pop_back
Description

Returns a new sequence, with the last element of the original removed.

Synopsis
template<
    typename Sequence
    >
typename result_of::pop_back<Sequence const>::type pop_back(Sequence const& seq);

Table 1.80. Parameters

Parameter

Requirement

Description

seq

A model of Forward Sequence

Operation's argument


Expression Semantics
pop_back(seq);

Return type:

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.

Complexity

Constant. Returns a view which is lazily evaluated.

Header
#include <boost/fusion/algorithm/transformation/pop_back.hpp>
#include <boost/fusion/include/pop_back.hpp>
Example
assert(___pop_back__(make_vector(1,2,3)) == make_vector(1,2));

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