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    libstdc++
    
   | 
 
Classes | |
| struct | std::equal_to< _Tp > | 
| struct | std::equal_to< void > | 
| struct | std::greater< _Tp > | 
| struct | std::greater< void > | 
| struct | std::greater_equal< _Tp > | 
| struct | std::greater_equal< void > | 
| struct | std::less< _Tp > | 
| struct | std::less< void > | 
| struct | std::less_equal< _Tp > | 
| struct | std::less_equal< void > | 
| struct | std::not_equal_to< _Tp > | 
| struct | std::not_equal_to< void > | 
The library provides six wrapper functors for all the basic comparisons in C++, like <.