operator<,<=,>,>=(std::reverse_iterator)
| (1) | ||
| template< class Iterator1, class Iterator2 >
bool operator==( const reverse_iterator<Iterator1>& lhs,
                 const reverse_iterator<Iterator2>& rhs ); | (until C++17) | |
| template< class Iterator1, class Iterator2 >
constexpr bool operator==( const reverse_iterator<Iterator1>& lhs,
                           const reverse_iterator<Iterator2>& rhs ); | (since C++17) | |
| (2) | ||
| template< class Iterator1, class Iterator2 >
bool operator!=( const reverse_iterator<Iterator1>& lhs,
                 const reverse_iterator<Iterator2>& rhs ); | (until C++17) | |
| template< class Iterator1, class Iterator2 >
constexpr bool operator!=( const reverse_iterator<Iterator1>& lhs,
                           const reverse_iterator<Iterator2>& rhs ); | (since C++17) | |
| (3) | ||
| template< class Iterator1, class Iterator2 >
bool operator<( const reverse_iterator<Iterator1>& lhs,
                const reverse_iterator<Iterator2>& rhs ); | (until C++17) | |
| template< class Iterator1, class Iterator2 >
constexpr bool operator<( const reverse_iterator<Iterator1>& lhs,
                          const reverse_iterator<Iterator2>& rhs ); | (since C++17) | |
| (4) | ||
| template< class Iterator1, class Iterator2 >
bool operator<=( const reverse_iterator<Iterator1>& lhs,
                 const reverse_iterator<Iterator2>& rhs ); | (until C++17) | |
| template< class Iterator1, class Iterator2 >
constexpr bool operator<=( const reverse_iterator<Iterator1>& lhs,
                           const reverse_iterator<Iterator2>& rhs ); | (since C++17) | |
| (5) | ||
| template< class Iterator1, class Iterator2 >
bool operator>( const reverse_iterator<Iterator1>& lhs,
                const reverse_iterator<Iterator2>& rhs ); | (until C++17) | |
| template< class Iterator1, class Iterator2 >
constexpr bool operator>( const reverse_iterator<Iterator1>& lhs,
                          const reverse_iterator<Iterator2>& rhs ); | (since C++17) | |
| (6) | ||
| template< class Iterator1, class Iterator2 >
bool operator>=( const reverse_iterator<Iterator1>& lhs,
                 const reverse_iterator<Iterator2>& rhs ); | (until C++17) | |
| template< class Iterator1, class Iterator2 >
constexpr bool operator>=( const reverse_iterator<Iterator1>& lhs,
                           const reverse_iterator<Iterator2>& rhs ); | (since C++17) | 
Compares the underlying iterators. Inverse comparisons are applied in order to take into account that the iterator order is reversed.
Parameters
| lhs, rhs | - | iterator adaptors to compare | 
Return Value
1) 
 lhs.base() == rhs.base()
2) 
 lhs.base() != rhs.base()
3) 
 lhs.base() > rhs.base()
4) 
 lhs.base() >= rhs.base()
5) 
 lhs.base() < rhs.base()
6) 
 lhs.base() <= rhs.base()
Example
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    http://en.cppreference.com/w/cpp/iterator/reverse_iterator/operator_cmp