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[range] Added <=, ==, >, >=, != operators to iterator_range

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[SVN r70037]
This commit is contained in:
Neil Groves
2011-03-16 23:33:57 +00:00
parent 19a2090ef8
commit 3cd6a7277f
3 changed files with 212 additions and 4 deletions
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96
include/boost/range/iterator_range_core.hpp
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@ -71,6 +71,24 @@ namespace boost
boost::begin(r),
boost::end(r) );
}
template< class Left, class Right >
inline bool greater_than( const Left& l, const Right& r )
{
return less_than(r,l);
}
template< class Left, class Right >
inline bool less_or_equal_than( const Left& l, const Right& r )
{
return !iterator_range_detail::less_than(r,l);
}
template< class Left, class Right >
inline bool greater_or_equal_than( const Left& l, const Right& r )
{
return !iterator_range_detail::less_than(l,r);
}
// This version is maintained since it is used in other boost libraries
// such as Boost.Assign
@ -271,6 +289,21 @@ namespace boost
{
return iterator_range_detail::less_than( *this, r );
}
bool operator>( const iterator_range& r ) const
{
return iterator_range_detail::greater_than( *this, r );
}
bool operator<=( const iterator_range& r ) const
{
return iterator_range_detail::less_or_equal_than( *this, r );
}
bool operator>=( const iterator_range& r ) const
{
return iterator_range_detail::greater_or_equal_than( *this, r );
}
#endif
@ -370,6 +403,27 @@ namespace boost
{
return iterator_range_detail::less_than( l, r );
}
template< class IteratorT, class ForwardRange >
inline bool operator<=( const ForwardRange& l,
const iterator_range<IteratorT>& r )
{
return iterator_range_detail::less_or_equal_than( l, r );
}
template< class IteratorT, class ForwardRange >
inline bool operator>( const ForwardRange& l,
const iterator_range<IteratorT>& r )
{
return iterator_range_detail::greater_than( l, r );
}
template< class IteratorT, class ForwardRange >
inline bool operator>=( const ForwardRange& l,
const iterator_range<IteratorT>& r )
{
return iterator_range_detail::greater_or_equal_than( l, r );
}
#ifdef BOOST_NO_FUNCTION_TEMPLATE_ORDERING
#else
@ -416,6 +470,48 @@ namespace boost
{
return iterator_range_detail::less_than( l, r );
}
template< class Iterator1T, class Iterator2T >
inline bool operator<=( const iterator_range<Iterator1T>& l,
const iterator_range<Iterator2T>& r )
{
return iterator_range_detail::less_or_equal_than( l, r );
}
template< class IteratorT, class ForwardRange >
inline bool operator<=( const iterator_range<IteratorT>& l,
const ForwardRange& r )
{
return iterator_range_detail::less_or_equal_than( l, r );
}
template< class Iterator1T, class Iterator2T >
inline bool operator>( const iterator_range<Iterator1T>& l,
const iterator_range<Iterator2T>& r )
{
return iterator_range_detail::greater_than( l, r );
}
template< class IteratorT, class ForwardRange >
inline bool operator>( const iterator_range<IteratorT>& l,
const ForwardRange& r )
{
return iterator_range_detail::greater_than( l, r );
}
template< class Iterator1T, class Iterator2T >
inline bool operator>=( const iterator_range<Iterator1T>& l,
const iterator_range<Iterator2T>& r )
{
return iterator_range_detail::greater_or_equal_than( l, r );
}
template< class IteratorT, class ForwardRange >
inline bool operator>=( const iterator_range<IteratorT>& l,
const ForwardRange& r )
{
return iterator_range_detail::greater_or_equal_than( l, r );
}
#endif // BOOST_NO_FUNCTION_TEMPLATE_ORDERING