/usr/include/boost/python/ptr.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | #ifndef PTR_DWA20020601_HPP
# define PTR_DWA20020601_HPP
# include <boost/python/detail/prefix.hpp>
// 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)
//
// Based on boost/ref.hpp, thus:
// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
// Copyright (C) 2001 Peter Dimov
# if _MSC_VER+0 >= 1020
# pragma once
# endif
# include <boost/config.hpp>
# include <boost/mpl/bool.hpp>
namespace boost { namespace python {
template<class Ptr> class pointer_wrapper
{
public:
typedef Ptr type;
explicit pointer_wrapper(Ptr x): p_(x) {}
operator Ptr() const { return p_; }
Ptr get() const { return p_; }
private:
Ptr p_;
};
template<class T>
inline pointer_wrapper<T> ptr(T t)
{
return pointer_wrapper<T>(t);
}
# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
template<typename T>
class is_pointer_wrapper
: public mpl::false_
{
};
template<typename T>
class is_pointer_wrapper<pointer_wrapper<T> >
: public mpl::true_
{
};
template<typename T>
class unwrap_pointer
{
public:
typedef T type;
};
template<typename T>
class unwrap_pointer<pointer_wrapper<T> >
{
public:
typedef T type;
};
# else // no partial specialization
}} // namespace boost::python
#include <boost/type.hpp>
namespace boost { namespace python {
namespace detail
{
typedef char (&yes_pointer_wrapper_t)[1];
typedef char (&no_pointer_wrapper_t)[2];
no_pointer_wrapper_t is_pointer_wrapper_test(...);
template<typename T>
yes_pointer_wrapper_t is_pointer_wrapper_test(boost::type< pointer_wrapper<T> >);
template<bool wrapped>
struct pointer_unwrapper
{
template <class T>
struct apply
{
typedef T type;
};
};
template<>
struct pointer_unwrapper<true>
{
template <class T>
struct apply
{
typedef typename T::type type;
};
};
}
template<typename T>
class is_pointer_wrapper
{
public:
BOOST_STATIC_CONSTANT(
bool, value = (
sizeof(detail::is_pointer_wrapper_test(boost::type<T>()))
== sizeof(detail::yes_pointer_wrapper_t)));
typedef mpl::bool_<value> type;
};
template <typename T>
class unwrap_pointer
: public detail::pointer_unwrapper<
is_pointer_wrapper<T>::value
>::template apply<T>
{};
# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
}} // namespace boost::python
#endif // #ifndef PTR_DWA20020601_HPP
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