From 8c4528713d907ee2cfd3bfcbbad272c749867f84 Mon Sep 17 00:00:00 2001 From: Lorry Tar Creator Date: Tue, 25 Jun 2013 22:59:01 +0000 Subject: Imported from /home/lorry/working-area/delta_boost-tarball/boost_1_54_0.tar.bz2. --- libs/python/test/input_iterator.cpp | 48 +++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 libs/python/test/input_iterator.cpp (limited to 'libs/python/test/input_iterator.cpp') diff --git a/libs/python/test/input_iterator.cpp b/libs/python/test/input_iterator.cpp new file mode 100644 index 000000000..70b994186 --- /dev/null +++ b/libs/python/test/input_iterator.cpp @@ -0,0 +1,48 @@ +// Copyright David Abrahams 2002. +// Distributed under the Boost Software License, Version 1.0. (See +// accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +#include +#include +#include +#include +#include +#include + +using namespace boost::python; + +typedef std::list list_int; + +// 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 doubling_iterator; +typedef std::pair list_range2; + +list_range2 range2(list_int& x) +{ + return list_range2( + boost::make_transform_iterator(x.begin(), doubler()) + , boost::make_transform_iterator(x.end(), doubler())); +} + +// We do this in a separate module from iterators_ext (iterators.cpp) +// to work around an MSVC6 linker bug, which causes it to complain +// about a "duplicate comdat" if the input iterator is instantiated in +// the same module with the others. +BOOST_PYTHON_MODULE(input_iterator) +{ + def("range2", &::range2); + + class_("list_range2") + // We can wrap InputIterators which return by-value + .def("__iter__" + , range(&list_range2::first, &list_range2::second)) + ; +} + +#include "module_tail.cpp" -- cgit v1.2.1