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Boost.Range modification in an attempt to improve the compatibility of the adjacent_filtered and uniqued adaptors.

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[SVN r61142]
This commit is contained in:
Neil Groves
2010-04-07 23:40:53 +00:00
parent a24a69f38e
commit b573b6c9bf
3 changed files with 208 additions and 128 deletions
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42
include/boost/range/adaptor/uniqued.hpp
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@ -15,68 +15,68 @@
namespace boost
{
namespace range_detail
{
struct unique_forwarder { };
struct unique_not_equal_to
{
typedef bool result_type;
template< class T >
bool operator()( const T& l, const T& r ) const
{
return !(l == r);
}
};
template<class ForwardRng>
class unique_range : public adjacent_filter_range<unique_not_equal_to, ForwardRng>
class unique_range : public adjacent_filter_range<unique_not_equal_to, ForwardRng, true>
{
typedef adjacent_filter_range<unique_not_equal_to, ForwardRng> base;
typedef adjacent_filter_range<unique_not_equal_to, ForwardRng, true> base;
public:
explicit unique_range(ForwardRng& rng)
: base(unique_not_equal_to(), rng, true)
: base(unique_not_equal_to(), rng)
{
}
};
template< class ForwardRng >
inline unique_range<ForwardRng>
operator|( ForwardRng& r,
inline unique_range<ForwardRng>
operator|( ForwardRng& r,
unique_forwarder )
{
return unique_range<ForwardRng>(r);
}
template< class ForwardRng >
inline unique_range<const ForwardRng>
operator|( const ForwardRng& r,
inline unique_range<const ForwardRng>
operator|( const ForwardRng& r,
unique_forwarder )
{
return unique_range<const ForwardRng>(r);
}
} // 'range_detail'
using range_detail::unique_range;
namespace adaptors
{
{
namespace
{
const range_detail::unique_forwarder uniqued =
const range_detail::unique_forwarder uniqued =
range_detail::unique_forwarder();
}
template<class ForwardRange>
inline unique_range<ForwardRange>
unique(ForwardRange& rng)
{
return unique_range<ForwardRange>(rng);
}
template<class ForwardRange>
inline unique_range<const ForwardRange>
unique(const ForwardRange& rng)
@ -84,7 +84,7 @@ namespace boost
return unique_range<const ForwardRange>(rng);
}
} // 'adaptors'
}
#endif