/usr/include/boost/icl/concept/container.hpp is in libboost1.49-dev 1.49.0-3.2.
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 | /*-----------------------------------------------------------------------------+
Copyright (c) 2010-2010: Joachim Faulhaber
+------------------------------------------------------------------------------+
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENCE.txt or copy at
http://www.boost.org/LICENSE_1_0.txt)
+-----------------------------------------------------------------------------*/
#ifndef BOOST_ICL_CONCEPT_CONTAINER_HPP_JOFA_100923
#define BOOST_ICL_CONCEPT_CONTAINER_HPP_JOFA_100923
#include <boost/utility/enable_if.hpp>
#include <boost/mpl/and.hpp>
#include <boost/mpl/not.hpp>
#include <boost/icl/type_traits/is_container.hpp>
#include <boost/icl/type_traits/is_icl_container.hpp>
namespace boost{ namespace icl
{
//==============================================================================
//= Emptieness
//==============================================================================
/** Tests if the container is empty.
Complexity: constant. */
template<class Type>
typename enable_if<is_container<Type>, bool>::type
is_empty(const Type& object)
{
return object.begin()==object.end();
}
/** All content of the container is dropped.
Complexity: linear. */
template<class Type>
typename enable_if<is_container<Type>, void>::type
clear(Type& object)
{
object.erase(object.begin(), object.end());
}
//==============================================================================
//= Size
//==============================================================================
template<class Type>
typename enable_if<mpl::and_< is_container<Type>
, mpl::not_<is_icl_container<Type> > >
, std::size_t>::type
iterative_size(const Type& object)
{
return object.size();
}
//==============================================================================
//= Swap
//==============================================================================
template<class Type>
typename enable_if<is_container<Type>, void>::type
swap(Type& left, Type& right)
{
left.swap(right);
}
//==============================================================================
//= Iteration
//==============================================================================
template<class Type>
typename enable_if<is_container<Type>, typename Type::iterator>::type
cyclic_prior(Type& object, typename Type::iterator it_)
{ return it_ == object.begin() ? object.end() : --it_; }
template<class Type>
typename enable_if<is_container<Type>, typename Type::const_iterator>::type
cyclic_prior(const Type& object, typename Type::const_iterator it_)
{ return it_ == object.begin() ? object.end() : --it_; }
}} // namespace boost icl
#endif
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