feedc0de/boost_range
1
0
Fork 0
forked from boostorg/range
Code Pull Requests Activity

Boost.Range sliced adaptor is now compatible with VC10 even with using namespace boost::adaptors.

Browse Source 
[SVN r61923]
This commit is contained in:
Neil Groves
2010-05-12 01:34:50 +00:00
parent 5b1d0544e2
commit aebb16feef
1 changed files with 19 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
include/boost/range/adaptor/sliced.hpp
View File

@ -28,14 +28,26 @@ namespace boost
};
template< class RandomAccessRange >
inline iterator_range< BOOST_DEDUCED_TYPENAME range_iterator<RandomAccessRange>::type >
class sliced_range : public boost::iterator_range< BOOST_DEDUCED_TYPENAME range_iterator<RandomAccessRange>::type >
{
typedef boost::iterator_range< BOOST_DEDUCED_TYPENAME range_iterator<RandomAccessRange>::type > base_t;
public:
template<typename Rng, typename T, typename U>
sliced_range(Rng& rng, T t, U u)
: base_t(boost::make_iterator_range(rng, t, u - boost::size(rng)))
{
}
};
template< class RandomAccessRange >
inline sliced_range<RandomAccessRange>
slice( RandomAccessRange& rng, std::size_t t, std::size_t u )
{
BOOST_ASSERT( t <= u && "error in slice indices" );
BOOST_ASSERT( static_cast<std::size_t>(boost::size(rng)) >= u &&
"second slice index out of bounds" );
return boost::make_iterator_range( rng, t, u - boost::size(rng) );
return sliced_range<RandomAccessRange>(rng, t, u);
}
template< class RandomAccessRange >
@ -46,23 +58,21 @@ namespace boost
BOOST_ASSERT( static_cast<std::size_t>(boost::size(rng)) >= u &&
"second slice index out of bounds" );
return boost::make_iterator_range( rng, t, u - boost::size(rng) );
return sliced_range<const RandomAccessRange>(rng, t, u);
}
template< class RandomAccessRange >
inline iterator_range<
BOOST_DEDUCED_TYPENAME range_iterator<RandomAccessRange>::type >
inline sliced_range<RandomAccessRange>
operator|( RandomAccessRange& r, const sliced& f )
{
return adaptors::slice( r, f.t, f.u );
return sliced_range<RandomAccessRange>( r, f.t, f.u );
}
template< class RandomAccessRange >
inline iterator_range<
BOOST_DEDUCED_TYPENAME range_iterator<const RandomAccessRange>::type >
inline sliced_range<const RandomAccessRange>
operator|( const RandomAccessRange& r, const sliced& f )
{
return adaptors::slice( r, f.t, f.u );
return sliced_range<const RandomAccessRange>( r, f.t, f.u );
}
} // namespace adaptors