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Add example of client-supplied container generator for container_proxy

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[SVN r20483]
This commit is contained in:
Raoul Gough
2003-10-24 18:13:34 +00:00
parent 4e414c5371
commit cbbc52e9d1
1 changed files with 17 additions and 6 deletions
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23
test/test_deque_ext.cpp
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@@ -1,4 +1,3 @@
// -*- mode:c++ -*-
//
// Module test_deque_ext.cpp
//
@@ -29,8 +28,20 @@
bool int_wrapper::our_trace_flag = true;
unsigned int_wrapper::our_object_counter = 0;
struct deque_generator {
// Generates deque type for any element type. This matches the
// performance characteristics of the real container and the pointer
// index container in a container_proxy, e.g. for insert/erase at
// the beginning.
template<typename Element> struct apply {
typedef std::deque<Element> type;
};
};
BOOST_PYTHON_MODULE(test_deque_ext)
{
namespace indexing = boost::python::indexing;
boost::python::implicitly_convertible <int, int_wrapper>();
boost::python::def ("setTrace", &int_wrapper::setTrace);
@@ -44,7 +55,7 @@ BOOST_PYTHON_MODULE(test_deque_ext)
typedef std::deque<int> Container1;
boost::python::class_<Container1>("Deque")
.def (boost::python::indexing::container_suite<Container1>())
.def (indexing::container_suite<Container1>())
;
typedef std::deque<int_wrapper> Container2;
@@ -53,13 +64,13 @@ BOOST_PYTHON_MODULE(test_deque_ext)
// dangerous - the references can be invalidated by inserts or
// deletes!
boost::python::class_<Container2>("Deque_ref")
.def (boost::python::indexing::container_suite<Container2>
.def (indexing::container_suite<Container2>
::with_policies (boost::python::return_internal_reference<>()));
typedef boost::python::indexing::container_proxy< std::deque<int_wrapper> >
Container3;
typedef indexing::container_proxy<
Container2, indexing::identity<Container2>, deque_generator> Container3;
boost::python::class_<Container3>("Deque_proxy")
.def (boost::python::indexing::container_suite<Container3>())
.def (indexing::container_suite<Container3>())
;
}