...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
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));