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Fix transform_iterator nonconformance

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[SVN r14114]
This commit is contained in:
Dave Abrahams
2002-06-08 16:51:16 +00:00
parent 43d8c81104
commit 1de6a21f3a
1 changed files with 10 additions and 9 deletions
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19
test/input_iterator.cpp
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@@ -8,25 +8,26 @@
#include <boost/python/iterator.hpp>
#include <boost/iterator_adaptors.hpp>
#include <list>
#include <utility>
#include <iterator>
#include <functional>
using namespace boost::python;
typedef std::list<int> list_int;
// Prove that we can handle InputIterators which return rvalues. This
// input iterator example was stolen from the iterator_adaptors
// documentation
typedef std::binder1st<std::multiplies<int> > doubler;
// Prove that we can handle InputIterators which return rvalues.
struct doubler
{
typedef int result_type;
int operator()(int x) const { return x * 2; }
};
typedef boost::transform_iterator_generator<doubler, list_int::iterator>::type doubling_iterator;
typedef std::pair<doubling_iterator,doubling_iterator> list_range2;
list_range2 range2(list_int& x)
{
return list_range2(
boost::make_transform_iterator<doubler>(x.begin(), std::bind1st(std::multiplies<int>(),2))
, boost::make_transform_iterator<doubler>(x.end(), std::bind1st(std::multiplies<int>(),2)));
boost::make_transform_iterator<doubler>(x.begin(), doubler())
, boost::make_transform_iterator<doubler>(x.end(), doubler()));
}
// We do this in a separate module from iterators_ext (iterators.cpp)