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make it work with fusion

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[SVN r32949]
This commit is contained in:
Dave Abrahams
2006-02-16 06:23:06 +00:00
parent f3671a6422
commit 1ef8189af4
2 changed files with 135 additions and 380 deletions
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359
include/boost/iterator/zip_iterator.hpp
View File

@ -29,10 +29,9 @@
#include <boost/iterator/iterator_categories.hpp>
#include <boost/detail/iterator.hpp>
#include <boost/iterator/iterator_traits.hpp>
#include <boost/iterator/detail/minimum_category.hpp>
#include <boost/tuple/tuple.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/mpl/and.hpp>
#include <boost/mpl/apply.hpp>
@ -40,6 +39,17 @@
#include <boost/mpl/lambda.hpp>
#include <boost/mpl/placeholders.hpp>
#include <boost/mpl/aux_/lambda_support.hpp>
#include <boost/mpl/front.hpp>
#include <boost/mpl/fold.hpp>
#include <boost/mpl/transform.hpp>
#include <boost/spirit/fusion/algorithm/transform.hpp>
#include <boost/spirit/fusion/algorithm/for_each.hpp>
#include <boost/spirit/fusion/algorithm/fold.hpp>
#include <boost/spirit/fusion/sequence/generate.hpp>
#include <boost/spirit/fusion/sequence/begin.hpp>
#include <boost/spirit/fusion/algorithm/push_front.hpp>
#include <boost/spirit/fusion/sequence/equal_to.hpp>
namespace boost {
@ -47,24 +57,6 @@ namespace boost {
template<typename IteratorTuple>
class zip_iterator;
// One important design goal of the zip_iterator is to isolate all
// functionality whose implementation relies on the current tuple
// implementation. This goal has been achieved as follows: Inside
// the namespace detail there is a namespace tuple_impl_specific.
// This namespace encapsulates all functionality that is specific
// to the current Boost tuple implementation. More precisely, the
// namespace tuple_impl_specific provides the following tuple
// algorithms and meta-algorithms for the current Boost tuple
// implementation:
//
// tuple_meta_transform
// tuple_meta_accumulate
// tuple_transform
// tuple_for_each
//
// If the tuple implementation changes, all that needs to be
// replaced is the implementation of these four (meta-)algorithms.
namespace detail
{
@ -87,300 +79,64 @@ namespace boost {
struct increment_iterator
{
template<typename Iterator>
void operator()(Iterator& it)
void operator()(Iterator& it) const
{ ++it; }
};
//
struct decrement_iterator
{
template<typename Iterator>
void operator()(Iterator& it)
void operator()(Iterator& it) const
{ --it; }
};
//
struct dereference_iterator
{
template<typename Iterator>
struct apply
{
typedef typename
iterator_traits<Iterator>::reference
type;
};
struct apply : iterator_reference<Iterator>
{};
template<typename Iterator>
typename apply<Iterator>::type operator()(Iterator const& it)
typename apply<Iterator>::type
operator()(Iterator const& it) const
{ return *it; }
};
// The namespace tuple_impl_specific provides two meta-
// algorithms and two algorithms for tuples.
//
namespace tuple_impl_specific
struct dereference
{
// Meta-transform algorithm for tuples
//
template<typename Tuple, class UnaryMetaFun>
struct tuple_meta_transform;
template<typename Tuple, class UnaryMetaFun>
struct tuple_meta_transform_impl
{
typedef tuples::cons<
typename mpl::apply1<
typename mpl::lambda<UnaryMetaFun>::type
, typename Tuple::head_type
>::type
, typename tuple_meta_transform<
typename Tuple::tail_type
, UnaryMetaFun
>::type
> type;
};
template <class Iterator>
struct apply
: boost::iterator_reference<Iterator>
{};
template<typename Tuple, class UnaryMetaFun>
struct tuple_meta_transform
: mpl::eval_if<
boost::is_same<Tuple, tuples::null_type>
, mpl::identity<tuples::null_type>
, tuple_meta_transform_impl<Tuple, UnaryMetaFun>
>
{
};
// Meta-accumulate algorithm for tuples. Note: The template
// parameter StartType corresponds to the initial value in
// ordinary accumulation.
//
template<class Tuple, class BinaryMetaFun, class StartType>
struct tuple_meta_accumulate;
template<
typename Tuple
, class BinaryMetaFun
, typename StartType
>
struct tuple_meta_accumulate_impl
{
typedef typename mpl::apply2<
typename mpl::lambda<BinaryMetaFun>::type
, typename Tuple::head_type
, typename tuple_meta_accumulate<
typename Tuple::tail_type
, BinaryMetaFun
, StartType
>::type
>::type type;
};
template<
typename Tuple
, class BinaryMetaFun
, typename StartType
>
struct tuple_meta_accumulate
: mpl::eval_if<
#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
mpl::or_<
#endif
boost::is_same<Tuple, tuples::null_type>
#if BOOST_WORKAROUND(BOOST_MSVC, < 1300)
, boost::is_same<Tuple,int>
>
#endif
, mpl::identity<StartType>
, tuple_meta_accumulate_impl<
Tuple
, BinaryMetaFun
, StartType
>
>
{
};
#if defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING) \
|| ( \
BOOST_WORKAROUND(BOOST_INTEL_CXX_VERSION, != 0) && defined(_MSC_VER) \
)
// Not sure why intel's partial ordering fails in this case, but I'm
// assuming int's an MSVC bug-compatibility feature.
# define BOOST_TUPLE_ALGO_DISPATCH
# define BOOST_TUPLE_ALGO(algo) algo##_impl
# define BOOST_TUPLE_ALGO_TERMINATOR , int
# define BOOST_TUPLE_ALGO_RECURSE , ...
#else
# define BOOST_TUPLE_ALGO(algo) algo
# define BOOST_TUPLE_ALGO_TERMINATOR
# define BOOST_TUPLE_ALGO_RECURSE
#endif
// transform algorithm for tuples. The template parameter Fun
// must be a unary functor which is also a unary metafunction
// class that computes its return type based on its argument
// type. For example:
//
// struct to_ptr
// {
// template <class Arg>
// struct apply
// {
// typedef Arg* type;
// }
//
// template <class Arg>
// Arg* operator()(Arg x);
// };
template<typename Fun>
tuples::null_type BOOST_TUPLE_ALGO(tuple_transform)
(tuples::null_type const&, Fun BOOST_TUPLE_ALGO_TERMINATOR)
{ return tuples::null_type(); }
template<typename Tuple, typename Fun>
typename tuple_meta_transform<
Tuple
, Fun
>::type
BOOST_TUPLE_ALGO(tuple_transform)(
const Tuple& t,
Fun f
BOOST_TUPLE_ALGO_RECURSE
)
{
typedef typename tuple_meta_transform<
BOOST_DEDUCED_TYPENAME Tuple::tail_type
, Fun
>::type transformed_tail_type;
return tuples::cons<
BOOST_DEDUCED_TYPENAME mpl::apply1<
Fun, BOOST_DEDUCED_TYPENAME Tuple::head_type
>::type
, transformed_tail_type
>(
f(boost::tuples::get<0>(t)), tuple_transform(t.get_tail(), f)
);
}
#ifdef BOOST_TUPLE_ALGO_DISPATCH
template<typename Tuple, typename Fun>
typename tuple_meta_transform<
Tuple
, Fun
>::type
tuple_transform(
const Tuple& t,
Fun f
)
{
return tuple_transform_impl(t, f, 1);
}
#endif
// for_each algorithm for tuples.
//
template<typename Fun>
Fun BOOST_TUPLE_ALGO(tuple_for_each)(
tuples::null_type
, Fun f BOOST_TUPLE_ALGO_TERMINATOR
)
{ return f; }
template<typename Tuple, typename Fun>
Fun BOOST_TUPLE_ALGO(tuple_for_each)(
Tuple& t
, Fun f BOOST_TUPLE_ALGO_RECURSE)
{
f( t.get_head() );
return tuple_for_each(t.get_tail(), f);
}
#ifdef BOOST_TUPLE_ALGO_DISPATCH
template<typename Tuple, typename Fun>
Fun
tuple_for_each(
Tuple& t,
Fun f
)
{
return tuple_for_each_impl(t, f, 1);
}
#endif
// Equality of tuples. NOTE: "==" for tuples currently (7/2003)
// has problems under some compilers, so I just do my own.
// No point in bringing in a bunch of #ifdefs here. This is
// going to go away with the next tuple implementation anyway.
//
bool tuple_equal(tuples::null_type, tuples::null_type)
{ return true; }
template<typename Tuple1, typename Tuple2>
bool tuple_equal(
Tuple1 const& t1,
Tuple2 const& t2
)
{
return t1.get_head() == t2.get_head() &&
tuple_equal(t1.get_tail(), t2.get_tail());
}
}
//
// end namespace tuple_impl_specific
template<typename Iterator>
struct iterator_reference
{
typedef typename iterator_traits<Iterator>::reference type;
template <class Iterator>
typename apply<Iterator>::type operator()(Iterator const& x) const
{
return *x;
}
};
#ifdef BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT
// Hack because BOOST_MPL_AUX_LAMBDA_SUPPORT doesn't seem to work
// out well. Instantiating the nested apply template also
// requires instantiating iterator_traits on the
// placeholder. Instead we just specialize it as a metafunction
// class.
template<>
struct iterator_reference<mpl::_1>
{
template <class T>
struct apply : iterator_reference<T> {};
};
#endif
// Metafunction to obtain the type of the tuple whose element types
// are the reference types of an iterator tuple.
//
template<typename IteratorTuple>
struct tuple_of_references
: tuple_impl_specific::tuple_meta_transform<
IteratorTuple,
iterator_reference<mpl::_1>
>
{
};
: mpl::transform<IteratorTuple, dereference::apply<mpl::_1> >
{};
// Metafunction to obtain the minimal traversal tag in a tuple
// of iterators.
//
template<typename IteratorTuple>
struct minimum_traversal_category_in_iterator_tuple
{
typedef typename tuple_impl_specific::tuple_meta_transform<
IteratorTuple
, iterator_traversal<>
>::type tuple_of_traversal_tags;
typedef typename tuple_impl_specific::tuple_meta_accumulate<
tuple_of_traversal_tags
, minimum_category<>
, random_access_traversal_tag
>::type type;
};
: mpl::fold<
typename mpl::transform<
IteratorTuple, iterator_traversal<>
>::type
, random_access_traversal_tag
, minimum_category<>
>
{};
#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) // ETI workaround
template <>
@ -434,7 +190,7 @@ namespace boost {
// Difference type is the first iterator's difference type
typedef typename iterator_traits<
typename tuples::element<0, IteratorTuple>::type
typename mpl::front<IteratorTuple>::type
>::difference_type difference_type;
// Traversal catetgory is the minimum traversal category in the
@ -516,10 +272,10 @@ namespace boost {
// iterators in the iterator tuple.
typename super_t::reference dereference() const
{
return detail::tuple_impl_specific::tuple_transform(
get_iterator_tuple(),
detail::dereference_iterator()
);
return fusion::generate(fusion::transform(
get_iterator_tuple(),
detail::dereference_iterator()
));
}
// Two zip iterators are equal if all iterators in the iterator
@ -535,28 +291,25 @@ namespace boost {
template<typename OtherIteratorTuple>
bool equal(const zip_iterator<OtherIteratorTuple>& other) const
{
return detail::tuple_impl_specific::tuple_equal(
get_iterator_tuple(),
other.get_iterator_tuple()
);
return get_iterator_tuple() == other.get_iterator_tuple();
}
// Advancing a zip iterator means to advance all iterators in the
// iterator tuple.
void advance(typename super_t::difference_type n)
{
detail::tuple_impl_specific::tuple_for_each(
m_iterator_tuple,
detail::advance_iterator<BOOST_DEDUCED_TYPENAME super_t::difference_type>(n)
fusion::for_each(
m_iterator_tuple,
detail::advance_iterator<BOOST_DEDUCED_TYPENAME super_t::difference_type>(n)
);
}
// Incrementing a zip iterator means to increment all iterators in
// the iterator tuple.
void increment()
{
detail::tuple_impl_specific::tuple_for_each(
m_iterator_tuple,
detail::increment_iterator()
fusion::for_each(
m_iterator_tuple,
detail::increment_iterator()
);
}
@ -564,9 +317,9 @@ namespace boost {
// the iterator tuple.
void decrement()
{
detail::tuple_impl_specific::tuple_for_each(
m_iterator_tuple,
detail::decrement_iterator()
fusion::for_each(
m_iterator_tuple,
detail::decrement_iterator()
);
}
@ -576,8 +329,8 @@ namespace boost {
const zip_iterator<OtherIteratorTuple>& other
) const
{
return boost::tuples::get<0>(other.get_iterator_tuple()) -
boost::tuples::get<0>(this->get_iterator_tuple());
return *fusion::begin(other.get_iterator_tuple()) -
*fusion::begin(this->get_iterator_tuple());
}
// Data Members

156
test/zip_iterator_test.cpp
View File

@ -41,14 +41,19 @@
//
/////////////////////////////////////////////////////////////////////////////
#include <boost/iterator/zip_iterator.hpp>
#define FUSION_MAX_TUPLE_SIZE 13
#include <boost/iterator/zip_iterator.hpp> // 2nd #include tests #include guard.
#include <iostream>
#include <vector>
#include <list>
#include <set>
#include <functional>
#include <boost/tuple/tuple.hpp>
#include <boost/spirit/fusion/sequence/tuple.hpp>
#include <boost/spirit/fusion/sequence/tuple20.hpp>
#include <boost/spirit/fusion/sequence/make_tuple.hpp>
#include <boost/spirit/fusion/algorithm/push_front.hpp>
#include <boost/spirit/fusion/sequence/get.hpp>
#include <boost/iterator/transform_iterator.hpp>
#include <boost/iterator/is_readable_iterator.hpp>
#include <boost/type_traits/is_same.hpp>
@ -105,32 +110,32 @@ int main( void )
typedef
boost::zip_iterator<
boost::tuples::tuple<
boost::fusion::tuple<
std::set<int>::iterator
, std::vector<double>::iterator
>
> zit_mixed;
zit_mixed zip_it_mixed = zit_mixed(
boost::make_tuple(
boost::fusion::make_tuple(
intset.begin()
, vect1.begin()
)
);
boost::tuples::tuple<int, double> val_tuple(
boost::fusion::tuple<int, double> val_tuple(
*zip_it_mixed);
boost::tuples::tuple<const int&, double&> ref_tuple(
boost::fusion::tuple<const int&, double&> ref_tuple(
*zip_it_mixed);
double dblOldVal = boost::tuples::get<1>(ref_tuple);
boost::tuples::get<1>(ref_tuple) -= 41.;
double dblOldVal = boost::fusion::get<1>(ref_tuple);
boost::fusion::get<1>(ref_tuple) -= 41.;
if( 52 == boost::tuples::get<0>(val_tuple) &&
42. == boost::tuples::get<1>(val_tuple) &&
52 == boost::tuples::get<0>(ref_tuple) &&
1. == boost::tuples::get<1>(ref_tuple) &&
if( 52 == boost::fusion::get<0>(val_tuple) &&
42. == boost::fusion::get<1>(val_tuple) &&
52 == boost::fusion::get<0>(ref_tuple) &&
1. == boost::fusion::get<1>(ref_tuple) &&
1. == *vect1.begin()
)
{
@ -144,7 +149,7 @@ int main( void )
}
// Undo change to vect1
boost::tuples::get<1>(ref_tuple) = dblOldVal;
boost::fusion::get<1>(ref_tuple) = dblOldVal;
/////////////////////////////////////////////////////////////////////////////
//
@ -186,9 +191,8 @@ int main( void )
ve4.push_back(12);
// typedefs for cons lists of iterators.
typedef boost::tuples::cons<
typedef boost::fusion::tuple11<
std::set<int>::iterator,
boost::tuples::tuple<
std::vector<int>::iterator,
std::list<int>::iterator,
std::set<int>::iterator,
@ -199,19 +203,20 @@ int main( void )
std::list<int>::iterator,
std::set<int>::iterator,
std::vector<int>::const_iterator
>::inherited
> cons_11_its_type;
//
typedef boost::tuples::cons<
std::list<int>::const_iterator,
cons_11_its_type
> cons_12_its_type;
typedef boost::fusion::meta::generate<
boost::fusion::meta::push_front<
cons_11_its_type,
std::list<int>::const_iterator
>::type
>::type cons_12_its_type;
// typedefs for cons lists for dereferencing the zip iterator
// made from the cons list above.
typedef boost::tuples::cons<
typedef boost::fusion::tuple11<
const int&,
boost::tuples::tuple<
int&,
int&,
const int&,
@ -222,13 +227,14 @@ int main( void )
int&,
const int&,
const int&
>::inherited
> cons_11_refs_type;
//
typedef boost::tuples::cons<
const int&,
cons_11_refs_type
> cons_12_refs_type;
typedef boost::fusion::meta::generate<
boost::fusion::meta::push_front<
cons_11_refs_type,
const int&
>::type
>::type cons_12_refs_type;
// typedef for zip iterator with 12 elements
typedef boost::zip_iterator<cons_12_its_type> zip_it_12_type;
@ -237,9 +243,7 @@ int main( void )
zip_it_12_type zip_it_12(
cons_12_its_type(
li1.begin(),
cons_11_its_type(
se1.begin(),
boost::make_tuple(
ve1.begin(),
li2.begin(),
se2.begin(),
@ -250,23 +254,21 @@ int main( void )
li4.begin(),
se4.begin(),
ve4.begin()
)
)
)
);
// Dereference, mess with the result a little.
cons_12_refs_type zip_it_12_dereferenced(*zip_it_12);
boost::tuples::get<9>(zip_it_12_dereferenced) = 42;
boost::fusion::get<9>(zip_it_12_dereferenced) = 42;
// Make a copy and move it a little to force some instantiations.
zip_it_12_type zip_it_12_copy(zip_it_12);
++zip_it_12_copy;
if( boost::tuples::get<11>(zip_it_12.get_iterator_tuple()) == ve4.begin() &&
boost::tuples::get<11>(zip_it_12_copy.get_iterator_tuple()) == ve4.end() &&
1 == boost::tuples::get<0>(zip_it_12_dereferenced) &&
12 == boost::tuples::get<11>(zip_it_12_dereferenced) &&
if( boost::fusion::get<11>(zip_it_12.get_iterator_tuple()) == ve4.begin() &&
boost::fusion::get<11>(zip_it_12_copy.get_iterator_tuple()) == ve4.end() &&
1 == boost::fusion::get<0>(zip_it_12_dereferenced) &&
12 == boost::fusion::get<11>(zip_it_12_dereferenced) &&
42 == *(li4.begin())
)
{
@ -294,51 +296,51 @@ int main( void )
vect2[2] = 4.4;
boost::zip_iterator<
boost::tuples::tuple<
boost::fusion::tuple<
std::vector<double>::const_iterator,
std::vector<double>::const_iterator
>
>
zip_it_begin(
boost::make_tuple(
boost::fusion::make_tuple(
vect1.begin(),
vect2.begin()
)
);
boost::zip_iterator<
boost::tuples::tuple<
boost::fusion::tuple<
std::vector<double>::const_iterator,
std::vector<double>::const_iterator
>
>
zip_it_run(
boost::make_tuple(
boost::fusion::make_tuple(
vect1.begin(),
vect2.begin()
)
);
boost::zip_iterator<
boost::tuples::tuple<
boost::fusion::tuple<
std::vector<double>::const_iterator,
std::vector<double>::const_iterator
>
>
zip_it_end(
boost::make_tuple(
boost::fusion::make_tuple(
vect1.end(),
vect2.end()
)
);
if( zip_it_run == zip_it_begin &&
42. == boost::tuples::get<0>(*zip_it_run) &&
2.2 == boost::tuples::get<1>(*zip_it_run) &&
43. == boost::tuples::get<0>(*(++zip_it_run)) &&
3.3 == boost::tuples::get<1>(*zip_it_run) &&
44. == boost::tuples::get<0>(*(++zip_it_run)) &&
4.4 == boost::tuples::get<1>(*zip_it_run) &&
42. == boost::fusion::get<0>(*zip_it_run) &&
2.2 == boost::fusion::get<1>(*zip_it_run) &&
43. == boost::fusion::get<0>(*(++zip_it_run)) &&
3.3 == boost::fusion::get<1>(*zip_it_run) &&
44. == boost::fusion::get<0>(*(++zip_it_run)) &&
4.4 == boost::fusion::get<1>(*zip_it_run) &&
zip_it_end == ++zip_it_run
)
{
@ -362,12 +364,12 @@ int main( void )
if( zip_it_run == zip_it_end &&
zip_it_end == zip_it_run-- &&
44. == boost::tuples::get<0>(*zip_it_run) &&
4.4 == boost::tuples::get<1>(*zip_it_run) &&
43. == boost::tuples::get<0>(*(--zip_it_run)) &&
3.3 == boost::tuples::get<1>(*zip_it_run) &&
42. == boost::tuples::get<0>(*(--zip_it_run)) &&
2.2 == boost::tuples::get<1>(*zip_it_run) &&
44. == boost::fusion::get<0>(*zip_it_run) &&
4.4 == boost::fusion::get<1>(*zip_it_run) &&
43. == boost::fusion::get<0>(*(--zip_it_run)) &&
3.3 == boost::fusion::get<1>(*zip_it_run) &&
42. == boost::fusion::get<0>(*(--zip_it_run)) &&
2.2 == boost::fusion::get<1>(*zip_it_run) &&
zip_it_begin == zip_it_run
)
{
@ -390,7 +392,7 @@ int main( void )
<< std::flush;
boost::zip_iterator<
boost::tuples::tuple<
boost::fusion::tuple<
std::vector<double>::const_iterator,
std::vector<double>::const_iterator
>
@ -643,8 +645,8 @@ int main( void )
// Note: zip_it_run and zip_it_run_copy are both at
// begin plus one.
//
if( boost::tuples::get<0>(zip_it_run.get_iterator_tuple()) == vect1.begin() + 1 &&
boost::tuples::get<1>(zip_it_run.get_iterator_tuple()) == vect2.begin() + 1
if( boost::fusion::get<0>(zip_it_run.get_iterator_tuple()) == vect1.begin() + 1 &&
boost::fusion::get<1>(zip_it_run.get_iterator_tuple()) == vect2.begin() + 1
)
{
++num_successful_tests;
@ -665,18 +667,18 @@ int main( void )
std::cout << "Making zip iterators: "
<< std::flush;
std::vector<boost::tuples::tuple<double, double> >
std::vector<boost::fusion::tuple<double, double> >
vect_of_tuples(3);
std::copy(
boost::make_zip_iterator(
boost::make_tuple(
boost::fusion::make_tuple(
vect1.begin(),
vect2.begin()
)
),
boost::make_zip_iterator(
boost::make_tuple(
boost::fusion::make_tuple(
vect1.end(),
vect2.end()
)
@ -684,12 +686,12 @@ int main( void )
vect_of_tuples.begin()
);
if( 42. == boost::tuples::get<0>(*vect_of_tuples.begin()) &&
2.2 == boost::tuples::get<1>(*vect_of_tuples.begin()) &&
43. == boost::tuples::get<0>(*(vect_of_tuples.begin() + 1)) &&
3.3 == boost::tuples::get<1>(*(vect_of_tuples.begin() + 1)) &&
44. == boost::tuples::get<0>(*(vect_of_tuples.begin() + 2)) &&
4.4 == boost::tuples::get<1>(*(vect_of_tuples.begin() + 2))
if( 42. == boost::fusion::get<0>(*vect_of_tuples.begin()) &&
2.2 == boost::fusion::get<1>(*vect_of_tuples.begin()) &&
43. == boost::fusion::get<0>(*(vect_of_tuples.begin() + 1)) &&
3.3 == boost::fusion::get<1>(*(vect_of_tuples.begin() + 1)) &&
44. == boost::fusion::get<0>(*(vect_of_tuples.begin() + 2)) &&
4.4 == boost::fusion::get<1>(*(vect_of_tuples.begin() + 2))
)
{
++num_successful_tests;
@ -711,39 +713,39 @@ int main( void )
<< std::flush;
boost::zip_iterator<
boost::tuples::tuple<
boost::fusion::tuple<
std::set<int>::const_iterator,
std::vector<double>::const_iterator
>
>
zip_it_const(
boost::make_tuple(
boost::fusion::make_tuple(
intset.begin(),
vect2.begin()
)
);
//
boost::zip_iterator<
boost::tuples::tuple<
boost::fusion::tuple<
std::set<int>::iterator,
std::vector<double>::const_iterator
>
>
zip_it_half_const(
boost::make_tuple(
boost::fusion::make_tuple(
intset.begin(),
vect2.begin()
)
);
//
boost::zip_iterator<
boost::tuples::tuple<
boost::fusion::tuple<
std::set<int>::iterator,
std::vector<double>::iterator
>
>
zip_it_non_const(
boost::make_tuple(
boost::fusion::make_tuple(
intset.begin(),
vect2.begin()
)
@ -754,10 +756,10 @@ int main( void )
++zip_it_const;
// zip_it_non_const = ++zip_it_const; // Error: can't convert from const to non-const
if( 54 == boost::tuples::get<0>(*zip_it_const) &&
4.4 == boost::tuples::get<1>(*zip_it_const) &&
53 == boost::tuples::get<0>(*zip_it_half_const) &&
3.3 == boost::tuples::get<1>(*zip_it_half_const)
if( 54 == boost::fusion::get<0>(*zip_it_const) &&
4.4 == boost::fusion::get<1>(*zip_it_const) &&
53 == boost::fusion::get<0>(*zip_it_half_const) &&
3.3 == boost::fusion::get<1>(*zip_it_half_const)
)
{
++num_successful_tests;
@ -795,7 +797,7 @@ int main( void )
// traversal.
//
typedef boost::zip_iterator<
boost::tuples::tuple<
boost::fusion::tuple<
std::vector<double>::const_iterator,
std::vector<double>::const_iterator
>